Eder, S. S. (1979). A study of the major administrative and supervisory functions of elementary school head teachers and principals of the Benguet Division, 1970-1971 [microform]. Photoduplication Service, University of the Philippines Library.
Style de citation Chicago (17e éd.)Eder, Salvador S. A Study of the Major Administrative and Supervisory Functions of Elementary School Head Teachers and Principals of the Benguet Division, 1970-1971 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.
Style de citation MLA (9e éd.)Eder, Salvador S. A Study of the Major Administrative and Supervisory Functions of Elementary School Head Teachers and Principals of the Benguet Division, 1970-1971 [microform]. Photoduplication Service, University of the Philippines Library, 1979.