Co, S. L. (1975). Manufacture and control of an all-purpose hormone cream [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Co, Siopin L. Manufacture and Control of an All-purpose Hormone Cream [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
MLA(9版)引用形式Co, Siopin L. Manufacture and Control of an All-purpose Hormone Cream [microform]. Photoduplication Service, University of the Philippines Library, 1975.
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