University of the Philippines (Diliman). Law Center & Labitag, E. A. (1981). Answers to bar examination questions in legal ethics and practical exercises (1975-2007). The Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of the Philippines (Diliman). Law Center और Eduardo A. Labitag. Answers to Bar Examination Questions in Legal Ethics and Practical Exercises (1975-2007). Quezon City: The Center, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUniversity of the Philippines (Diliman). Law Center और Eduardo A. Labitag. Answers to Bar Examination Questions in Legal Ethics and Practical Exercises (1975-2007). The Center, 1981.
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