APA

Bennett P. D., Lamm R. P. & Fry R. A. (1988). Marketing. New York: McGraw-Hill.

Chicago

Bennett Peter D, Lamm Robert P and Fry Robert A. 1988. Marketing. New York: McGraw-Hill.

Harvard

Bennett P. D., Lamm R. P. and Fry R. A. (1988). Marketing. New York: McGraw-Hill.

MLA

Bennett Peter D, Lamm Robert P and Fry Robert A. Marketing. New York: McGraw-Hill. 1988.