Hugo, V., & Ubersfeld, A. (1968). Cromwell. Garnier-Flammarion.
Chicago Style aipamenaHugo, Victor, and Anne Ubersfeld. Cromwell. Paris: Garnier-Flammarion, 1968.
MLA aipamenaHugo, Victor, and Anne Ubersfeld. Cromwell. Garnier-Flammarion, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.