APA aipamena

Schaefer, R. T. (2013). Sociology: A brief introduction. New York: McGraw-Hill.

Chicago Style aipamena

Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, 2013.

MLA aipamena

Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.