Gaya APA

Perreault, J, W, D., Cannon, J, P. (2010). Essentials Of Marketing (12 Edition.). New York: Mc-Graw Hill.

Gaya MLA

Perreault, Jr., William, D.., Cannon, Joseph, P.. "Essentials Of Marketing". 12 Edition. New York: Mc-Graw Hill, 2010. Text.