APA (7th ed.) Zitazioa
O'Sullivan, T. M. (2011). Walking in Roman culture. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
O'Sullivan, Timothy M. Walking in Roman Culture. Cambridge ; New York: Cambridge University Press, 2011.
MLA (9th ed.) Zitazioa
O'Sullivan, Timothy M. Walking in Roman Culture. Cambridge University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.