Leonardo, G. O. (1979). Investment requirements of Philippine agriculture: A linear programming analysis [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Leonardo, Garibaldi O. Investment Requirements of Philippine Agriculture: A Linear Programming Analysis [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.
MLA(9版)引用形式Leonardo, Garibaldi O. Investment Requirements of Philippine Agriculture: A Linear Programming Analysis [microform]. Photoduplication Service, University of the Philippines Library, 1979.
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