Landauer, C. (1964). Contemporary Economic Systems: A Comparative Analysis. Lippincott.
Chicago Style aipamenaLandauer, Carl. Contemporary Economic Systems: A Comparative Analysis. New York: Lippincott, 1964.
MLA aipamenaLandauer, Carl. Contemporary Economic Systems: A Comparative Analysis. Lippincott, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.