Dyfyniad APA

Townsend, C. (1985). PFS, software made easy. Osborne/McGraw-Hill.

Dyfyniad Arddull Chicago

Townsend, Carl. PFS, Software Made Easy. Berkeley, Calif: Osborne/McGraw-Hill, 1985.

Dyfyniad MLA

Townsend, Carl. PFS, Software Made Easy. Osborne/McGraw-Hill, 1985.

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