Gaya APA

Bearden, William O., Ingram, Thomas N., Laforge, Raymond W.. (2007). Marketing : principles and perspectives . Boston: Mc. Graw Hill Company.

Gaya Chicago

Bearden, William O., Ingram, Thomas N., Laforge, Raymond W.. Marketing : principles and perspectives. Boston: Mc. Graw Hill Company, 2007. Text.

Gaya MLA

Bearden, William O., Ingram, Thomas N., Laforge, Raymond W.. Marketing : principles and perspectives. Boston: Mc. Graw Hill Company, 2007. Text.

Gaya Turabian

Bearden, William O., Ingram, Thomas N., Laforge, Raymond W.. Marketing : principles and perspectives. Boston: Mc. Graw Hill Company, 2007. Print.