Não informado. (1975). Abstracts on tropical agriculture. Royal Tropical Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Abstracts on Tropical Agriculture. Amsterdam: Royal Tropical Institute, 1975.
Lua MLA (8ú heag.)Não informado. Abstracts on Tropical Agriculture. Royal Tropical Institute, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.