Company of Biologists. (1953). Journal of Embryology and Experimental Morphology. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Company of Biologists. Journal of Embryology and Experimental Morphology. London: Cambridge University Press, 1953.
Lua MLA (8ú heag.)Company of Biologists. Journal of Embryology and Experimental Morphology. Cambridge University Press, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.