Keay, J. (2000). History: From the earliest civilizations to the boom of the twenty-first century (NA.). Harper Press.
Citace podle Chicago (17th ed.)Keay, John. History: From the Earliest Civilizations to the Boom of the Twenty-first Century. NA. London: Harper Press, 2000.
Citace podle MLA (9th ed.)Keay, John. History: From the Earliest Civilizations to the Boom of the Twenty-first Century. NA. Harper Press, 2000.
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