Hassan Shukur. (1990). Case book. Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationHassan Shukur. Case Book. Kuala Lumpur: Universiti Kebangsaan Malaysia, 1990.
MLA引文Hassan Shukur. Case Book. Universiti Kebangsaan Malaysia, 1990.
警告:这些引文格式不一定是100%准确.