Sta. Ana, E. T. (1977). A proposed resource unit of Philippine games and sports to supplement the physical education program of the Philippine College of Commerce Laboratory High School [microform]. Photoduplication Service. University of the Philippines Library.
Citace podle Chicago (17th ed.)Sta. Ana, Elena T. A Proposed Resource Unit of Philippine Games and Sports to Supplement the Physical Education Program of the Philippine College of Commerce Laboratory High School [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Sta. Ana, Elena T. A Proposed Resource Unit of Philippine Games and Sports to Supplement the Physical Education Program of the Philippine College of Commerce Laboratory High School [microform]. Photoduplication Service. University of the Philippines Library, 1977.