Acedo, G. N. (1977). The penetration and infection of Pythium arrhenomanes on corn roots [microform]. Photoduplication Service. University of the Philippines Library.
Citação norma ChicagoAcedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citação norma MLAAcedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.