APA (7e ed.) Bronvermelding

Acedo, G. N. (1977). The penetration and infection of Pythium arrhenomanes on corn roots [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

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 (9e ed.) Bronvermelding

Acedo, Gregoria Napi. The Penetration and Infection of Pythium Arrhenomanes on Corn Roots [microform]. Photoduplication Service. University of the Philippines Library, 1977.