Riyanto. (1980). Interaction of rate and time of nitrogen application and weed control methods in upland rice [microform]. Photoduplication Service. University of the Philippines Library.
Style de citation Chicago (17e éd.)Riyanto. Interaction of Rate and Time of Nitrogen Application and Weed Control Methods in Upland Rice [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
Style de citation MLA (9e éd.)Riyanto. Interaction of Rate and Time of Nitrogen Application and Weed Control Methods in Upland Rice [microform]. Photoduplication Service. University of the Philippines Library, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.