Lakshminarayana, A. (1979). Studies on the inheritance of resistance to brown planthopper in some rice varieties [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Lakshminarayana, Ammula. Studies on the Inheritance of Resistance to Brown Planthopper in Some Rice Varieties [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA-referens (9:e uppl.)Lakshminarayana, Ammula. Studies on the Inheritance of Resistance to Brown Planthopper in Some Rice Varieties [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.