Society for General Microbiology & Twenty-first Symposium of the Society for General Microbiology held at University College London, April 1971. (1971). Microbes and biological productivity. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Society for General Microbiology agus April 1971 Twenty-first Symposium of the Society for General Microbiology held at University College London. Microbes and Biological Productivity. Cambridge [Eng.]: Cambridge University Press, 1971.
Lua MLA (9ú heag.)Society for General Microbiology agus April 1971 Twenty-first Symposium of the Society for General Microbiology held at University College London. Microbes and Biological Productivity. Cambridge University Press, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.