<HALIM, S. Aplikasi wordperfect. Elex Media Komputindo.
Chicago Style (17th ed.) Citation<HALIM, S.Y.>. Aplikasi Wordperfect. Elex Media Komputindo.
MLA (8th ed.) Citation<HALIM, S.Y.>. Aplikasi Wordperfect. Elex Media Komputindo.
Warning: These citations may not always be 100% accurate.