APA-referens (7:e uppl.)

Jesena, C. C. (1977). Hybrid vigor in F1 varietal crosses from local and introduced corn varieties [microform]. Photoduplication Service. University of the Philippines Library.

Chicago-referens (17:e uppl.)

Jesena, Cesar C. Hybrid Vigor in F1 Varietal Crosses from Local and Introduced Corn Varieties [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA-referens (9:e uppl.)

Jesena, Cesar C. Hybrid Vigor in F1 Varietal Crosses from Local and Introduced Corn Varieties [microform]. Photoduplication Service. University of the Philippines Library, 1977.