Lenski, G. E. (1987). Human societies: An introduction to macrosociology (5th ed.). McGraw-Hill.
Chicago Style aipamenaLenski, Gerhard Emmanuel. Human Societies: An Introduction to Macrosociology. 5th ed. New York: McGraw-Hill, 1987.
MLA aipamenaLenski, Gerhard Emmanuel. Human Societies: An Introduction to Macrosociology. 5th ed. McGraw-Hill, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.