APA
Bearden W. O., Ingram T. N. & LaForge R. W. (2007). Marketing. Boston, Mass: McGraw-Hill/Irwin.
Chicago
Bearden William O, Ingram Thomas N and LaForge Raymond W. 2007. Marketing. Boston, Mass: McGraw-Hill/Irwin.
Harvard
Bearden W. O., Ingram T. N. and LaForge R. W. (2007). Marketing. Boston, Mass: McGraw-Hill/Irwin.
MLA
Bearden William O, Ingram Thomas N and LaForge Raymond W. Marketing. Boston, Mass: McGraw-Hill/Irwin. 2007.