APA

Cohen W. A., . (1991). The practice of marketing management: analysis, planning, and implementation. New York: Macmillan.

Chicago

Cohen William A, . 1991. The practice of marketing management: analysis, planning, and implementation. New York: Macmillan.

Harvard

Cohen W. A., . (1991). The practice of marketing management: analysis, planning, and implementation. New York: Macmillan.

MLA

Cohen William A, . The practice of marketing management: analysis, planning, and implementation. New York: Macmillan. 1991.