Lambert, D., & Diagram Group. (1987). The field guide to early man. Facts on File.
Čikaški stil citiranja (17. izdanje)Lambert, David, i Diagram Group. The Field Guide to Early Man. New York: Facts on File, 1987.
MLA način citiranja (9. izdanje)Lambert, David, i Diagram Group. The Field Guide to Early Man. Facts on File, 1987.
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