Shepard, J. M. (2010). Sociology (Tenth edition.). Wadsworth Cengage Learning.
Chicago Style aipamenaShepard, Jon M. Sociology. Tenth edition. Australia: Wadsworth Cengage Learning, 2010.
MLA aipamenaShepard, Jon M. Sociology. Tenth edition. Wadsworth Cengage Learning, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.