Cita APA

(1990). WordPerfect 5.1 instant reference / Greg Harvey and Kay Yarborough Nelson.

Citación estilo Chicago

WordPerfect 5.1 Instant Reference / Greg Harvey and Kay Yarborough Nelson. 1990.

Cita MLA

WordPerfect 5.1 Instant Reference / Greg Harvey and Kay Yarborough Nelson. 1990.

Warning: These citations may not always be 100% accurate.