Style de citation APA (7e éd.)

Que Corporation. (1989). Using WordPerfect 5.1 (Special ed.). Perfect Bound Pub.

Style de citation Chicago (17e éd.)

Que Corporation. Using WordPerfect 5.1. Special ed. Quezon City: Perfect Bound Pub, 1989.

Style de citation MLA (9e éd.)

Que Corporation. Using WordPerfect 5.1. Special ed. Perfect Bound Pub, 1989.