Sinco, E. D. (1976). The psychological characteristics of the college environment and their implications for Foundation College [microform]. Photoduplication Service, University of the Philippines Library.
Παραπομπή σε μορφή Chicago (17η εκδ.)Sinco, Edelmira D. The Psychological Characteristics of the College Environment and Their Implications for Foundation College [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Παραπομπή σε μορφή MLA (9th εκδ.)Sinco, Edelmira D. The Psychological Characteristics of the College Environment and Their Implications for Foundation College [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.