Warrner, T. W. (1989). Using Lotus 1-2-3, superCalc4, Wordperfect, WordStar, and dBASE III plus (Revised edition with WordPerfect 4.2 and 5.0.). Scott, Foresman and Company.
Цитирование в стиле Чикаго (17-е изд.)Warrner, Thomas W. Using Lotus 1-2-3, SuperCalc4, Wordperfect, WordStar, and DBASE III Plus. Revised edition with WordPerfect 4.2 and 5.0. Glenview, Illinois: Scott, Foresman and Company, 1989.
Цитирование MLA (9-е изд.)Warrner, Thomas W. Using Lotus 1-2-3, SuperCalc4, Wordperfect, WordStar, and DBASE III Plus. Revised edition with WordPerfect 4.2 and 5.0. Scott, Foresman and Company, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.