Katigbak, M. K. (1977). A survey of four major catholic social welfare agencies in Manila and suburbs [microform]. Photoduplication Service. University of the Philippines Library.
Chicagoスタイル(17版)引用形式Katigbak, Maria Kalaw. A Survey of Four Major Catholic Social Welfare Agencies in Manila and Suburbs [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA(9版)引用形式Katigbak, Maria Kalaw. A Survey of Four Major Catholic Social Welfare Agencies in Manila and Suburbs [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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