Ritzer, G. (2003). Contemporary sociological theory and its classical roots. McGraw-Hill.
Chicago-referens (17:e uppl.)Ritzer, George. Contemporary Sociological Theory and Its Classical Roots. McGraw-Hill, 2003.
MLA-referens (8:e uppl.)Ritzer, George. Contemporary Sociological Theory and Its Classical Roots. McGraw-Hill, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.