Harvey, S. P. (1978). The Oxford companion to English literature. Clarendon Press.
Chicago Style (17th ed.) ZitazioaHarvey, Sir Paul. The Oxford Companion to English Literature. Oxford: Clarendon Press, 1978.
MLA (9th ed.) ZitazioaHarvey, Sir Paul. The Oxford Companion to English Literature. Clarendon Press, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.