Pongprasert, S. (1977). Resistance to the zigzag leafhopper Recilia Dorsalis (Motschulsky), in rice varieties [microform]. Photoduplication Service, University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Pongprasert, Sompong. Resistance to the Zigzag Leafhopper Recilia Dorsalis (Motschulsky), in Rice Varieties [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Lua MLA (9ú heag.)Pongprasert, Sompong. Resistance to the Zigzag Leafhopper Recilia Dorsalis (Motschulsky), in Rice Varieties [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.