Barker, R. (1985). Rice grain quality and marketing. International Rice Research Institute.
Lua i Stíl Chicago (17ú heag.)Barker, Randolf. Rice Grain Quality and Marketing. Manila: International Rice Research Institute, 1985.
Lua MLA (9ú heag.)Barker, Randolf. Rice Grain Quality and Marketing. International Rice Research Institute, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.