O'Malley, J. W. (2004). Four cultures of the West. Belknap Press of Harvard University Press.
Chicago Style aipamenaO'Malley, John W. Four Cultures of the West. Cambridge, Mass.: Belknap Press of Harvard University Press, 2004.
MLA aipamenaO'Malley, John W. Four Cultures of the West. Belknap Press of Harvard University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.