Não informado. (1967). Cotton growing review. Cotton Research Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. Cotton Growing Review. London: Cotton Research Corporation, 1967.
Lua MLA (8ú heag.)Não informado. Cotton Growing Review. Cotton Research Corporation, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.