Horsfall, N. (1995). A companion to the study of Virgil. E.J. Brill.
Chicago Style aipamenaHorsfall, Nicholas. A Companion to the Study of Virgil. New York : Leiden: E.J. Brill, 1995.
MLA aipamenaHorsfall, Nicholas. A Companion to the Study of Virgil. E.J. Brill, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.