Dyson, S., Fingerman, D. J., & Cobb, S. (1992). WordPerfect for Windows: The complete reference. Berkeley CA: Osborne McGraw-Hill.
Чикагска система за цитиранеDyson, Steve., Daniel J. Fingerman, и Stephen Cobb. WordPerfect for Windows: The Complete Reference. Berkeley CA: Osborne McGraw-Hill, 1992.
MLA формат за цитиранеDyson, Steve., Daniel J. Fingerman, и Stephen Cobb. WordPerfect for Windows: The Complete Reference. Berkeley CA: Osborne McGraw-Hill, 1992.
Внимание: Тези цитати може да не са 100% точни.