FORMAL LETTERS

Business letters
http://www.bbc.co.uk/worldservice/learningenglish/flatmates/episode35/languagepoint.shtml
Business letters use more formal language that the day-to-day, informal language we use when we're talking to friends. For example, we don't usually use contractions (I'd, won't, we're) in business writing.Here are some standard phrases which you can use in business letters.
Starting your letter:
Dear
Sir or Madam,

MsCastle,
MissJones,
Mrs Carlton,
Mr Hunter,
Helen,
Making references:
With reference to

Regarding
Thank you for
your letter of 21st March
Further to
Saying why you are writing:
I am writing to enquire about ... I am pleased to invite you ...

Making requests:
Please let me know if you have ... I should be grateful if you would ... It would be most helpful if you could ... We would be delighted if you would ... I am pleased to invite you ...

Enclosing documents:
Please find enclosed a job specification.A self-addressed envelope is enclosed.I enclose my CV.

Talking about contact in the future:
I look forward to
meeting you.
hearing from you soon.
seeing you.

Ending your letter:
Yours faithfully, (if you don't know the name of the person you're writing to)Yours sincerely, (if you know person's name and have used it at the beginning of the letter)

Vocabulary:
vacancy (n):position or job in a company that's available
HR (short for Human Resources):department in a company which looks after the hiring, training etc of employees
specification (n):detailed description of something
access needsrequirements for people with disabilities
confirm (v):agree

Language in formal letters:
http://www.eslincanada.com/englishforbusinessletters.html

Structure in formal letters:
http://englishdepartment.wikispaces.com/file/view/Structure+of+a+Formal+Letter.doc
http://www.ego4u.com/en/business-english/communication/business-letter
http://www.effective-english.com/services_free_ml_sp_structure.html
http://www.slideshare.net/sintorowati/structure-of-business-letter-andarsih-ds-2303835

A formal letter sample:
http://www.englishforums.com/English/SampleFormalLetterWriting/bwljw/post.htm
http://www.unc.edu/depts/wcweb/handouts/business.html
http://www.4hb.com/letters/