Não informado. (1957). Plant Physiology. American Institute of Biological Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Plant Physiology. Washington: American Institute of Biological Sciences, 1957.
Lua MLA (8ú heag.)Não informado. Plant Physiology. American Institute of Biological Sciences, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.