Gaya APA

Ritzer, G., Goodman, D, J. (2004). Sosiological Theory (ed. 6 cet.1). New York: McGraw Hill Companies.

Gaya MLA

Ritzer, George., Goodman, Douglas, J. "Sosiological Theory". ed. 6 cet.1 New York: McGraw Hill Companies, 2004. Text.