Dyfyniad APA

Samuel J Leffler. (1989). The design and implementation of 4.3 BSD UNIX Operating system. Addison-Wesley Publishing.

Dyfyniad Arddull Chicago

Samuel J Leffler. The Design and Implementation of 4.3 BSD UNIX Operating System. Addison-Wesley Publishing, 1989.

Dyfyniad MLA

Samuel J Leffler. The Design and Implementation of 4.3 BSD UNIX Operating System. Addison-Wesley Publishing, 1989.

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