Khoo, E. L. (1999). Case book 1995 - 1999 (Ophthalmology). Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationKhoo, Eam Liang. Case Book 1995 - 1999 (Ophthalmology). Kuala Lumpur: Universiti Kebangsaan Malaysia, 1999.
MLA引文Khoo, Eam Liang. Case Book 1995 - 1999 (Ophthalmology). Universiti Kebangsaan Malaysia, 1999.
警告:這些引文格式不一定是100%准確.