Murdock, G. P. (1972). Outline of world cultures (4th ed., rev.). Human Relations Area Files.
Chicago Style aipamenaMurdock, George Peter. Outline of World Cultures. 4th ed., rev. New Haven: Human Relations Area Files, 1972.
MLA aipamenaMurdock, George Peter. Outline of World Cultures. 4th ed., rev. Human Relations Area Files, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.