Gardiner, P. (1959). Theories of history: Readings from classical and contemporary sources. Free Press.
Chicago Style aipamenaGardiner, Patrick. Theories of History: Readings from Classical and Contemporary Sources. New York: Free Press, 1959.
MLA aipamenaGardiner, Patrick. Theories of History: Readings from Classical and Contemporary Sources. Free Press, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.