APA引文

Frailey, L. E. (1942). How to write better business letters. American Technical Society.

Chicago Style (17th ed.) Citation

Frailey, L. E. How to Write Better Business Letters. Chicago: American Technical Society, 1942.

MLA引文

Frailey, L. E. How to Write Better Business Letters. American Technical Society, 1942.

警告：这些引文格式不一定是100％准确.