Clark, G. (1992). Space, time and man: A prehistorian's view. CUP.
Chicago Style (17th ed.) ZitazioaClark, Grahame. Space, Time and Man: A Prehistorian's View. New York: CUP, 1992.
MLA (9th ed.) ZitazioaClark, Grahame. Space, Time and Man: A Prehistorian's View. CUP, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.