SIMPSON, G. G. (1965). Principles Of Animal Taxonomy. Oxford Book Company.
Čikaški stil citiranja (17. izdanje)SIMPSON, George Gaylord. Principles Of Animal Taxonomy. Oxford Book Company, 1965.
MLA način citiranja (8. izdanje)SIMPSON, George Gaylord. Principles Of Animal Taxonomy. Oxford Book Company, 1965.
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