Acedo, G. N. (1977). The penetration and infection of Pythium arrhenomanes on corn roots [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17. basım) AtıfAcedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) AtıfAcedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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