Yogaratham, P. (1974). Use of chemicals in lieu of land preparation in flooded rice [microform]. Photoduplication Service University of the Philippines Library.
Chicago Style (17th ed.) CitationYogaratham, Ponnampalam. Use of Chemicals in Lieu of Land Preparation in Flooded Rice [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1974.
MLA (9th ed.) CitationYogaratham, Ponnampalam. Use of Chemicals in Lieu of Land Preparation in Flooded Rice [microform]. Photoduplication Service University of the Philippines Library, 1974.
Warning: These citations may not always be 100% accurate.