Casals, E. G. (1975). Pregnancy: A study of its psychology [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17. basım) AtıfCasals, Emma G. Pregnancy: A Study of Its Psychology [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1975.
MLA (9th ed.) AtıfCasals, Emma G. Pregnancy: A Study of Its Psychology [microform]. Photoduplication Service. University of the Philippines Library, 1975.
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