APA (7th ed.) Zitazioa
Popa, O. D. (2003). Bibliophiles and bibliothieves: The search for the Hildebrandslied and the Willehalm Codex. W. de Gruyter.
Chicago Style (17th ed.) Zitazioa
Popa, Opritsa D. Bibliophiles and Bibliothieves: The Search for the Hildebrandslied and the Willehalm Codex. Berlin ; New York: W. de Gruyter, 2003.
MLA (9th ed.) Zitazioa
Popa, Opritsa D. Bibliophiles and Bibliothieves: The Search for the Hildebrandslied and the Willehalm Codex. W. de Gruyter, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.