Dyfyniad APA

Dykes, D. L. (1991). An easy course in using WordPerfect: Versions 5.0 and 5.1 for IBM-compatible computers. Grapevine Publications.

Dyfyniad Arddull Chicago

Dykes, David L. An Easy Course in Using WordPerfect: Versions 5.0 and 5.1 for IBM-compatible Computers. Corvallis, OR: Grapevine Publications, 1991.

Dyfyniad MLA

Dykes, David L. An Easy Course in Using WordPerfect: Versions 5.0 and 5.1 for IBM-compatible Computers. Grapevine Publications, 1991.

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