Cita APA (7a ed.)

Sommers Montrose S. & Barners, J. (2007). Marketing: A customer-centric approach. McGraw -hill.

Cita Chicago Style (17a ed.)

Sommers Montrose S. y Jim Barners. Marketing: A Customer-centric Approach. Toronto: McGraw -hill, 2007.

Cita MLA (9a ed.)

Sommers Montrose S. y Jim Barners. Marketing: A Customer-centric Approach. McGraw -hill, 2007.