Não informado. (1951). Bio-sciences newsletter. American Institute of Biological Sciences.
Style de citation Chicago (17e éd.)Não informado. Bio-sciences Newsletter. Boston, Mass: American Institute of Biological Sciences, 1951.
Style de citation MLA (8e éd.)Não informado. Bio-sciences Newsletter. American Institute of Biological Sciences, 1951.
Attention : ces citations peuvent ne pas être correctes à 100%.