COGHILL, N. (1967). The poet chaucer (2nd ed.). Oxford.
Chicago Style (17th ed.) ZitazioaCOGHILL, Nevill. The Poet Chaucer. 2nd ed. London: Oxford, 1967.
MLA (9th ed.) ZitazioaCOGHILL, Nevill. The Poet Chaucer. 2nd ed. Oxford, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.