Nichols, D. (1962). Taxonomy and geography: A symposium. The Systematics Association.
Čikaški stil citiranja (17. izdanje)Nichols, David. Taxonomy and Geography: A Symposium. London, U.K: The Systematics Association, 1962.
MLA način citiranja (9. izdanje)Nichols, David. Taxonomy and Geography: A Symposium. The Systematics Association, 1962.
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