APA Citation

DUFFY, T. (1988). Four software tools: With WordPerfect, VP-Planner and dBASE III Plus. Belmont, California: Wadsworth Publishing Company.

Chicago Style Citation

DUFFY, Tim. Four Software Tools: With WordPerfect, VP-Planner and DBASE III Plus. Belmont, California: Wadsworth Publishing Company, 1988.

MLA Citation

DUFFY, Tim. Four Software Tools: With WordPerfect, VP-Planner and DBASE III Plus. Belmont, California: Wadsworth Publishing Company, 1988.

Warning: These citations may not always be 100% accurate.