Gaya APA

Schaefer, Richard T. (2007). Sociology (-). New York: McGraw-Hill.

Gaya Chicago

Schaefer, Richard T. Sociology. - New York: McGraw-Hill, 2007. Text.

Gaya MLA

Schaefer, Richard T. Sociology. - New York: McGraw-Hill, 2007. Text.

Gaya Turabian

Schaefer, Richard T. Sociology. - New York: McGraw-Hill, 2007. Print.