Παραπομπή APA
Lenski, G. E., & Lenski, J. (1987). Human societies: An introduction to macrosociology (5th ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleLenski, Gerhard Emmanuel, and Jean Lenski. Human Societies: An Introduction to Macrosociology. 5th ed. New York: McGraw-Hill, 1987.
Παραπομπή MLALenski, Gerhard Emmanuel, and Jean Lenski. Human Societies: An Introduction to Macrosociology. 5th ed. New York: McGraw-Hill, 1987.
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