Salazat, M., Cassano, A., & Schwartz, K. (1990). Quick Reference Guide WordPerfect 5.1: IBM PC. New York: Dictation Disc Company.
Chicago Style CitationSalazat, Marivel., Angelo Cassano, i Karl Schwartz. Quick Reference Guide WordPerfect 5.1: IBM PC. New York: Dictation Disc Company, 1990.
Cita MLASalazat, Marivel., Angelo Cassano, i Karl Schwartz. Quick Reference Guide WordPerfect 5.1: IBM PC. New York: Dictation Disc Company, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.