Clark, G. (1992). Space, time and man: A prehistorian's view. CUP.
Cita Chicago (17th ed.)Clark, Grahame. Space, Time and Man: A Prehistorian's View. New York: CUP, 1992.
Cita MLA (9th ed.)Clark, Grahame. Space, Time and Man: A Prehistorian's View. CUP, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.