APA (7e ed.) Bronvermelding

Bautista, O. K. (1977). The effects of N, K, and CA on the growth yield and quality fo snap cowpea [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Bautista, Ofelia Karganilla. The Effects of N, K, and CA on the Growth Yield and Quality Fo Snap Cowpea [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Bautista, Ofelia Karganilla. The Effects of N, K, and CA on the Growth Yield and Quality Fo Snap Cowpea [microform]. Photoduplication Service, University of the Philippines Library, 1977.