Não informado. (1979). Journal of Plant Nutrition. Marcel Dekker.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Plant Nutrition. New York: Marcel Dekker, 1979.
Lua MLA (8ú heag.)Não informado. Journal of Plant Nutrition. Marcel Dekker, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.