एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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