APA (7e ed.) Bronvermelding

Magat, S. S. (1977). Some characteristics of eight major soil series from the Visayan islands, Philippines and their potassium status [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Magat, Severino S. Some Characteristics of Eight Major Soil Series from the Visayan Islands, Philippines and Their Potassium Status [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Magat, Severino S. Some Characteristics of Eight Major Soil Series from the Visayan Islands, Philippines and Their Potassium Status [microform]. Photoduplication Service. University of the Philippines Library, 1977.