Pena, D. R. (1973). An statistical analysis of predictive indices for college success in the Philippine Normal College [microform]. Photoduplication Service.
Chicago-referens (17:e uppl.)Pena, Deagelia R. An Statistical Analysis of Predictive Indices for College Success in the Philippine Normal College [microform]. Quezon City: Photoduplication Service, 1973.
MLA-referens (9:e uppl.)Pena, Deagelia R. An Statistical Analysis of Predictive Indices for College Success in the Philippine Normal College [microform]. Photoduplication Service, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.