Clark,Grahame. (1992). Space,Time and Man: A Prehistorian's View. CUP.
Chicago Style aipamenaClark,Grahame. Space,Time and Man: A Prehistorian's View. Cambridge: CUP, 1992.
MLA aipamenaClark,Grahame. Space,Time and Man: A Prehistorian's View. CUP, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.