Gaya APA

Urban, G, L., Star, S, H. (1991). Advanced marketing strategy : phenomena, analysis and decisions . New York: Prentice Hall, Englewood Cliffs.

Gaya MLA

Urban, Glen, L.., Star, Steven, H.. "Advanced marketing strategy : phenomena, analysis and decisions". New York: Prentice Hall, Englewood Cliffs, 1991. Text.