Nieves, A. A., & Adorio, M. P. (1975). Value-clarification: A process approach in developing valuing skills of pupil referrals (elementary level). College of Education, University of the Philippines Diliman.
Chicago Style (17. basım) AtıfNieves, Amparo A., ve Mercedes P. Adorio. Value-clarification: A Process Approach in Developing Valuing Skills of Pupil Referrals (elementary Level). Quezon City: College of Education, University of the Philippines Diliman, 1975.
MLA (9th ed.) AtıfNieves, Amparo A., ve Mercedes P. Adorio. Value-clarification: A Process Approach in Developing Valuing Skills of Pupil Referrals (elementary Level). College of Education, University of the Philippines Diliman, 1975.
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