Kalaw, M. L. (1974). A survey of the verbalized motives for gang membership in two low-income urban communities [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKalaw, Mary Lydia. A Survey of the Verbalized Motives for Gang Membership in Two Low-income Urban Communities [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKalaw, Mary Lydia. A Survey of the Verbalized Motives for Gang Membership in Two Low-income Urban Communities [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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