APA aipamena

Shepard, J. M. (1999). Sociology (7th ed.). Wadsworth.

Chicago Style aipamena

Shepard, Jon M. Sociology. 7th ed. Belmont, Calif: Wadsworth, 1999.

MLA aipamena

Shepard, Jon M. Sociology. 7th ed. Wadsworth, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.