Lua APA (7ú heag.)

RITZER, G. (1992). Contemporary sociological theory.-- ed.3. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

RITZER, George. Contemporary Sociological Theory.-- Ed.3. New York: McGraw-Hill, 1992.

Lua MLA (9ú heag.)

RITZER, George. Contemporary Sociological Theory.-- Ed.3. McGraw-Hill, 1992.

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