Acedo, G. N. (1977). The penetration and infection of Pythium arrhenomanes on corn roots [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Acedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA引文Acedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.