APA aipamena

Clark, J. G. D. (1970). Aspects of prehistory. University of California Press.

Chicago Style aipamena

Clark, John Grahame Douglas. Aspects of Prehistory. Berkeley: University of California Press, 1970.

MLA aipamena

Clark, John Grahame Douglas. Aspects of Prehistory. University of California Press, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.