American Psychological Association
University of Chigago ( 1949 ). Encyclopedia Britannica a New Survey of Universal Knowledge V.23 Vase to Zygote ( 00 ed. ). Encyclopaedia Britannica Inc.
Modern Language Association
University of Chigago. Encyclopedia Britannica a New Survey of Universal Knowledge V.23 Vase to Zygote . Encyclopaedia Britannica Inc. 1949
Chicago Citation
University of Chigago. Encyclopedia Britannica a New Survey of Universal Knowledge V.23 Vase to Zygote . 00 .Chicago
: Encyclopaedia Britannica Inc, 1949.
American Medical Association
University of Chigago. Encyclopedia Britannica a New Survey of Universal Knowledge V.23 Vase to Zygote . Encyclopaedia Britannica Inc; 1949.
