Estrada, R. D. (1975). An interpretative analysis of the different levels of morality [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Estrada, Rita Domingo. An Interpretative Analysis of the Different Levels of Morality [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
MLA(9版)引用形式Estrada, Rita Domingo. An Interpretative Analysis of the Different Levels of Morality [microform]. Photoduplication Service, University of the Philippines Library, 1975.
警告: この引用は必ずしも正確ではありません.