Abu Hassan Othman. (1989). Pengajian am: Proses dan prosedur 1. Longman.
Chicago Style (17th ed.) CitationAbu Hassan Othman. Pengajian Am: Proses Dan Prosedur 1. Selangor: Longman, 1989.
MLA (9th ed.) CitationAbu Hassan Othman. Pengajian Am: Proses Dan Prosedur 1. Longman, 1989.
Warning: These citations may not always be 100% accurate.