詹姆斯·B·萨姆纳 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "詹姆斯·B·萨姆纳" in Chinese language version.

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amacad.org

books.google.com

  • Carey, Charles W. (2014-05-14). American Scientists. Infobase Publishing. pp. 354–355. ISBN 9781438108070

gf.org

  • James B. Sumner. John Simon Guggenheim Memorial Foundation. [2022-10-11]. (原始内容存档于2016-06-10) (美国英语). 

nasonline.org

nobelprize.org

web.archive.org