Yen, S. S. (2002). Case book 1997 - 2002. Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationYen, Siew Siang. Case Book 1997 - 2002. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2002.
MLA (8th ed.) CitationYen, Siew Siang. Case Book 1997 - 2002. Universiti Kebangsaan Malaysia, 2002.
Warning: These citations may not always be 100% accurate.