Alfieri, V. (1988). The best book of WordPerfect 5.0. Hayden Books.
Cita Chicago (17th ed.)Alfieri, Vincent. The Best Book of WordPerfect 5.0. Carmel, IN: Hayden Books, 1988.
Cita MLA (9th ed.)Alfieri, Vincent. The Best Book of WordPerfect 5.0. Hayden Books, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.