APA (7e ed.) Bronvermelding

Chaudhry, M. R. (1977). Studies on sulfur nutrition of rice plant [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Chaudhry, Muhammad Rashid. Studies on Sulfur Nutrition of Rice Plant [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Chaudhry, Muhammad Rashid. Studies on Sulfur Nutrition of Rice Plant [microform]. Photoduplication Service. University of the Philippines Library, 1977.