Mackey, P. P. (1890). Tiber above Rome, in piena.
Chicago Style aipamenaMackey, Peter Paul. Tiber Above Rome, in Piena. 1890.
MLA aipamenaMackey, Peter Paul. Tiber Above Rome, in Piena. 1890.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.