Agustin, A. L. (1976). A survey of the pogram of cu-curricular activities of the ten elementary schools in the District of Sta. Rosa, Laguna. Photoduplication Service University of the Philippines Library.
Chicago-referens (17:e uppl.)Agustin, Alberto L. A Survey of the Pogram of Cu-curricular Activities of the Ten Elementary Schools in the District of Sta. Rosa, Laguna. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Agustin, Alberto L. A Survey of the Pogram of Cu-curricular Activities of the Ten Elementary Schools in the District of Sta. Rosa, Laguna. Photoduplication Service University of the Philippines Library, 1976.
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