APA (7th ed.) Citation

WALLA, S. (1996). Panduan Bagi Orang Sibuk: WordPerfect 6.1 for Windows. Elex Media Komputindo.

Chicago Style (17th ed.) Citation

WALLA, Sonny. Panduan Bagi Orang Sibuk: WordPerfect 6.1 for Windows. Elex Media Komputindo, 1996.

MLA (8th ed.) Citation

WALLA, Sonny. Panduan Bagi Orang Sibuk: WordPerfect 6.1 for Windows. Elex Media Komputindo, 1996.

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