SCHAEFER, R. T. (1986). Sosiology Richard T. Schaefer. McGraw-Hill.
Chicago Style aipamenaSCHAEFER, Richard T. Sosiology Richard T. Schaefer. McGraw-Hill, 1986.
MLA aipamenaSCHAEFER, Richard T. Sosiology Richard T. Schaefer. McGraw-Hill, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.