Monterey, R. G. (1977). Inbreeding depression of native X exotic corn variety crosses [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Monterey, Rodrigo G. Inbreeding Depression of Native X Exotic Corn Variety Crosses [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-referens (9:e uppl.)Monterey, Rodrigo G. Inbreeding Depression of Native X Exotic Corn Variety Crosses [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.