L., U., G., H., S., S.(1991).Advanced marketing strategy : phenomena, analysis, and decisions / Glen L. Urban, Steven H. Star .:Simon n Schuster.
Gaya MLA
Urban, Glen, L.., Star, Steven, H.."Advanced marketing strategy : phenomena, analysis, and decisions / Glen L. Urban, Steven H. Star".:Simon n Schuster,1991.Textbook.