(your address)

　　3rd November 200X

　　(the name of your boss)

　　(company name and section work with)

　　(company's address)

　　Dear (the name of your boss),

　　I regret to inform you that I decided to resign from my present position as (position) with effective from (next day of last date).

　　Thank you for giving me a chance to learn and to gain the valuable experience in (company name and section work with). I hope my resignation would not cause you much inconvenience.

　　Thank you for your kind attention and would appreciate if you could let me have a reference letter before I leave.

　　Yours faithfully,

　　(your full name)