APA aipamena

Schaefer, R. T. (1994). Sociology: A brief introduction. New York: McGraw-Hill, Inc.

Chicago Style aipamena

Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, Inc, 1994.

MLA aipamena

Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, Inc, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.