Das, R. A. (2003). Case book 1999-2003 (Ophthalmology). Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationDas, Ronald Arun. Case Book 1999-2003 (Ophthalmology). Kuala Lumpur: Universiti Kebangsaan Malaysia, 2003.
MLA引文Das, Ronald Arun. Case Book 1999-2003 (Ophthalmology). Universiti Kebangsaan Malaysia, 2003.
警告:这些引文格式不一定是100%准确.