Cita APA (7a ed.)

Aaker A. David, V. Kumar, & George S. Day. (1998). Marketing research (6th edition.). John Wiley and sons.

Cita Chicago Style (17a ed.)

Aaker A. David, V. Kumar, y George S. Day. Marketing Research. 6th edition. New York: John Wiley and sons, 1998.

Cita MLA (9a ed.)

Aaker A. David, et al. Marketing Research. 6th edition. John Wiley and sons, 1998.