APA引文

Stephen R Bourne. (1987). The UNIX system v enviornment. Addison-Wesley Publishing.

Chicago Edition Citation

Stephen R Bourne. The UNIX System V Enviornment. Addison-Wesley Publishing, 1987.

MLA引文

Stephen R Bourne. The UNIX System V Enviornment. Addison-Wesley Publishing, 1987.

警告：這些引文格式不一定是100％准確.