Cohen, S. I. (1978). Agrarian structures and agrarian reform. Martinus Nijhoff social Sciences.
Chicago Style aipamenaCohen, S I. Agrarian Structures and Agrarian Reform. Boston: Martinus Nijhoff social Sciences, 1978.
MLA aipamenaCohen, S I. Agrarian Structures and Agrarian Reform. Martinus Nijhoff social Sciences, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.