APA aipamena

Toynbee, A. J. (1954). A study of history. London: The Royal Institute of International Affair.

Chicago Style aipamena

Toynbee, Arnold J. A Study of History. London: The Royal Institute of International Affair, 1954.

MLA aipamena

Toynbee, Arnold J. A Study of History. London: The Royal Institute of International Affair, 1954.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.