APA (7th ed.) Citation

Balbuena, D. L. (1975). A study of the relation between entrance age and subsequent progress in primary grades [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style (17th ed.) Citation

Balbuena, Delia L. A Study of the Relation Between Entrance Age and Subsequent Progress in Primary Grades [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

MLA (9th ed.) Citation

Balbuena, Delia L. A Study of the Relation Between Entrance Age and Subsequent Progress in Primary Grades [microform]. Photoduplication Service, University of the Philippines Library, 1975.