Παραπομπή APA

Cooper, J., & Lane, P. (1997). Pracrtical Marketing Planning. Macmillan.

Παραπομπή Chicago Style

Cooper, John, και Peter Lane. Pracrtical Marketing Planning. London: Macmillan, 1997.

Παραπομπή MLA

Cooper, John, και Peter Lane. Pracrtical Marketing Planning. Macmillan, 1997.