Muhammad Abdullah. (1993). Case book. Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationMuhammad Abdullah. Case Book. Kuala Lumpur: Universiti Kebangsaan Malaysia, 1993.
MLA引文Muhammad Abdullah. Case Book. Universiti Kebangsaan Malaysia, 1993.
警告:這些引文格式不一定是100%准確.