Krutkun, T. (1977). Influence of internal drainage on the chemical and electrochemical changes of four flooded soils and on the growth of rice [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Krutkun, Tawin. Influence of Internal Drainage on the Chemical and Electrochemical Changes of Four Flooded Soils and on the Growth of Rice [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA(9版)引用形式Krutkun, Tawin. Influence of Internal Drainage on the Chemical and Electrochemical Changes of Four Flooded Soils and on the Growth of Rice [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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