1.寫信人地址寫在右上方(目前許多公司已經印好了自己帶信頭的信紙，這樣就可以不用寫這些內容，不過還是要在印好的信頭下面加上發信日期。)
2.收信人略低於寄信人地址，左下方
3.地址與中國相反，由小至大，即： 人名--公司的'具體地址--城市名+ 郵政編碼--國家。
4.日期(美式的寫法是按照的月-日-年的順序，比如：2003年5月9日：May 9, 2003，May 9th, 2003, 或者5/9/2003。
5.正文開頭，收信人稱呼一定要加 Dear
7.落款 yours (注意，此處為yours，不是you)
8.段落前不加空格
示例：
Price Internation Inc.
25 Elm Street
Brazil
Tel:(88-88)1234 5678
Fax:(88-88)4321 8765
Winex Informatica
Sarmiento 1425
1000 Cap Fed
Buenos Aires
Argentina
January 15,2003
Dear Sir or Madam:
We are looking for a company which can help us distribute our products in new markets.
We manufacture a wide range of chemical products. At present we export to China, Japan, but we would like to export to Europe.
Enclosed please find our brochure which gives details of our company.
We look forward to hearing from you.
Sincerely,