APA引文

American Telephone and Telegraph Company. (1989). UNIX system V release 3.2. Programmer’s reference manual. Englewood Cliffs, N.J: Prentice Hall.

Trích dẫn kiểu Chicago

American Telephone and Telegraph Company. UNIX System V Release 3.2. Programmer’s Reference Manual. Englewood Cliffs, N.J: Prentice Hall, 1989.

MLA引文

American Telephone and Telegraph Company. UNIX System V Release 3.2. Programmer’s Reference Manual. Englewood Cliffs, N.J: Prentice Hall, 1989.

警告：这些引文格式不一定是100％准确.