Dyfyniad APA

Lenski, G. E., & Lenski, J. (1974). Human societies: An introduction to macrosociology (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Lenski, Gerhard Emmanuel, and Jean Lenski. Human Societies: An Introduction to Macrosociology. 2nd ed. New York: McGraw-Hill, 1974.

Dyfyniad MLA

Lenski, Gerhard Emmanuel, and Jean Lenski. Human Societies: An Introduction to Macrosociology. 2nd ed. McGraw-Hill, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.