Não informado. (1951). Bio-sciences newsletter. American Institute of Biological Sciences.
Chicago (17e ed.) BronvermeldingNão informado. Bio-sciences Newsletter. Boston, Mass: American Institute of Biological Sciences, 1951.
MLA (8e ed.) BronvermeldingNão informado. Bio-sciences Newsletter. American Institute of Biological Sciences, 1951.
Let op: Deze citaties zijn niet altijd 100% accuraat.