Cita APA (7th ed.)

Salkind, N. J. (1989). The WordPerfect expert 5.0. Toppan.

Cita Chicago (17th ed.)

Salkind, Neil J. The WordPerfect Expert 5.0. Tokyo: Toppan, 1989.

Cita MLA (9th ed.)

Salkind, Neil J. The WordPerfect Expert 5.0. Toppan, 1989.