Sta. Ana, E. T. (1973). A proposed resource unit of Philippine games and sports to supplement the physical education program of the Philippine College of Commerce Laboratory High School. s.n.].
Chicago-referens (17:e uppl.)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. [Diliman, Quezon City: s.n.], 1973.
MLA-referens (9:e uppl.)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. s.n.], 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.