International Rice Research Institute. (1989). IRRI highlights, 1988. IRRI.
Lua i Stíl Chicago (17ú heag.)International Rice Research Institute. IRRI Highlights, 1988. Los Banos, Laguna: IRRI, 1989.
Lua MLA (9ú heag.)International Rice Research Institute. IRRI Highlights, 1988. IRRI, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.