@book{6507, author = {Kotler, Philip. and Keller, Kevin Lane,}, title = {Marketing management /}, publisher = {Pearson Prentice Hall,}, year = {c2007.}, address = {Upper Saddle River, NJ :}, edition = {Twelfth ed.}, url = {http://www.loc.gov/catdir/toc/ecip055/2004029595.html} }