<SIMPSON, A. Menguasai wordperfect 5.1. Elex Media Komputindo.
Chicago Style (17th ed.) Citation<SIMPSON, Alan>. Menguasai Wordperfect 5.1. Elex Media Komputindo.
MLA (8th ed.) Citation<SIMPSON, Alan>. Menguasai Wordperfect 5.1. Elex Media Komputindo.
Warning: These citations may not always be 100% accurate.