APA (7e ed.) Bronvermelding

Del Rosario, B. P. (1980). Soil factors limiting sugar cane production in the Don Pedro Mill District, Batangas [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Del Rosario, Beatriz P. Soil Factors Limiting Sugar Cane Production in the Don Pedro Mill District, Batangas [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.

MLA (9e ed.) Bronvermelding

Del Rosario, Beatriz P. Soil Factors Limiting Sugar Cane Production in the Don Pedro Mill District, Batangas [microform]. Photoduplication Service, University of the Philippines Library, 1980.