Dyfyniad APA

Sobell, M. G. (1995). A practical guide to the UNIX system (3rd ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Sobell, Mark G. A Practical Guide to the UNIX System. 3rd ed. Reading, MA: Addison-Wesley, 1995.

Dyfyniad MLA

Sobell, Mark G. A Practical Guide to the UNIX System. 3rd ed. Addison-Wesley, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.