Barker, R. (1971). The status of agricultural development in South and SEA as a result of the new food grain technology. International Rice Research Institute.
Lua i Stíl Chicago (17ú heag.)Barker, Randolf. The Status of Agricultural Development in South and SEA as a Result of the New Food Grain Technology. [Los Baños, Laguna: International Rice Research Institute, 1971.
Lua MLA (9ú heag.)Barker, Randolf. The Status of Agricultural Development in South and SEA as a Result of the New Food Grain Technology. International Rice Research Institute, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.