Dyfyniad APA

Brian W.Kernighan,Rob Pike. (1988). The UNIX Programming Environment. Prentice-Hall.

Dyfyniad Arddull Chicago

Brian W.Kernighan,Rob Pike. The UNIX Programming Environment. Prentice-Hall, 1988.

Dyfyniad MLA

Brian W.Kernighan,Rob Pike. The UNIX Programming Environment. Prentice-Hall, 1988.

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