Duckworth, R. B. (1966). Fruit and vegetables. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Duckworth, Ronald Barrett. Fruit and Vegetables. Oxford: Pergamon Press, 1966.
Lua MLA (9ú heag.)Duckworth, Ronald Barrett. Fruit and Vegetables. Pergamon Press, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.