Cooke, J. I. E., Kramer, A., & Rowland-Entwistle, T. (1981). History's timeline: A 40,000-year chronology of world civilization. Crescent Books : Distributed by Crown Publishers.
Čikaški stil citiranja (17. izdanje)Cooke, Jean Isobel Esther, Ann Kramer, i Theodore Rowland-Entwistle. History's Timeline: A 40,000-year Chronology of World Civilization. New York: Crescent Books : Distributed by Crown Publishers, 1981.
MLA način citiranja (9. izdanje)Cooke, Jean Isobel Esther, et al. History's Timeline: A 40,000-year Chronology of World Civilization. Crescent Books : Distributed by Crown Publishers, 1981.
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