Dyfyniad APA

Greg Harvey. (1990). Wordperfect 5.1 instant reference. Singapore: Tech Publications.

Dyfyniad Arddull Chicago

Greg Harvey. Wordperfect 5.1 Instant Reference. Singapore: Tech Publications, 1990.

Dyfyniad MLA

Greg Harvey. Wordperfect 5.1 Instant Reference. Singapore: Tech Publications, 1990.

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