Citace podle APA (7th ed.)
Freeman, C., & Louçã, F. (2001). As time goes by: From the industrial revolutions to the information revolution. Oxford University Press.
Citace podle Chicago (17th ed.)
Freeman, Christopher, a Francisco Louçã. As Time Goes by: From the Industrial Revolutions to the Information Revolution. Oxford ; New York: Oxford University Press, 2001.
Citace podle MLA (9th ed.)
Freeman, Christopher, a Francisco Louçã. As Time Goes by: From the Industrial Revolutions to the Information Revolution. Oxford University Press, 2001.
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