Não informado. (1973). Plant Science Letters: An international journal of plant biology. Editions Elsevier.
Lua i Stíl Chicago (17ú heag.)Não informado. Plant Science Letters: An International Journal of Plant Biology. Amsterdam: Editions Elsevier, 1973.
Lua MLA (8ú heag.)Não informado. Plant Science Letters: An International Journal of Plant Biology. Editions Elsevier, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.