<KULIK, R. Panduan belajar wordperfect 6.0. Elex Media Komputindo.
Chicago Style (17th ed.) Citation<KULIK, Robert>. Panduan Belajar Wordperfect 6.0. Elex Media Komputindo.
MLA (8th ed.) Citation<KULIK, Robert>. Panduan Belajar Wordperfect 6.0. Elex Media Komputindo.
Warning: These citations may not always be 100% accurate.