Dyfyniad APA

Krumm, R. (1990). Teach yourself...WordPerfect: 5.1 for desktop publishing. Management Information Source, Inc.

Dyfyniad Arddull Chicago

Krumm, Rob. Teach Yourself...WordPerfect: 5.1 for Desktop Publishing. Portland, Oregon: Management Information Source, Inc, 1990.

Dyfyniad MLA

Krumm, Rob. Teach Yourself...WordPerfect: 5.1 for Desktop Publishing. Management Information Source, Inc, 1990.

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