Greer, A. (1976). Understanding sociology. W.M.C Brown Company.
Chicago Style aipamenaGreer, Ann. Understanding Sociology. NULL: W.M.C Brown Company, 1976.
MLA aipamenaGreer, Ann. Understanding Sociology. W.M.C Brown Company, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.