Stephenson, C. (1942). Mediaeval feudalism.
Chicago Style aipamenaStephenson, Carl. Mediaeval Feudalism. 1942.
MLA aipamenaStephenson, Carl. Mediaeval Feudalism. 1942.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Stephenson, C. (1942). Mediaeval feudalism.
Chicago Style aipamenaStephenson, Carl. Mediaeval Feudalism. 1942.
MLA aipamenaStephenson, Carl. Mediaeval Feudalism. 1942.