Lakshminarayana, A. (1979). Studies on the inheritance of resistance to brown planthopper in some rice varieties [microform]. Photoduplication Service. University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (9ú heag.)Lakshminarayana, Ammula. Studies on the Inheritance of Resistance to Brown Planthopper in Some Rice Varieties [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.