Gaballo, R. C. (1977). Chemical and morphological characteristics of some paddy soils in the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Chicagoスタイル(17版)引用形式Gaballo, Reynaldo Cabaron. Chemical and Morphological Characteristics of Some Paddy Soils in the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA(9版)引用形式Gaballo, Reynaldo Cabaron. Chemical and Morphological Characteristics of Some Paddy Soils in the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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