Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

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.