APA aipamena

TOYNBEE, A. J. (1946). A study of history. Oxford University Press.

Chicago Style aipamena

TOYNBEE, Arnold J. A Study of History. Oxford University Press, 1946.

MLA aipamena

TOYNBEE, Arnold J. A Study of History. Oxford University Press, 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.