Gaya APA

Marketing Research. (2006). New York: [s.n.].

Gaya Chicago

Marketing Research. . New York: [s.n.], 2006. Text.

Gaya MLA

Marketing Research. . New York: [s.n.], 2006. Text.

Gaya Turabian

Marketing Research. New York: [s.n.], 2006. Print.