Cita APA (7a ed.)

Tull S.Donald & Del I. Hawkins. (2005). Marketing research: Measurement and methods (6th edition.). Prentice Hall.

Cita Chicago Style (17a ed.)

Tull S.Donald y Del I. Hawkins. Marketing Research: Measurement and Methods. 6th edition. New Delhi: Prentice Hall, 2005.

Cita MLA (9a ed.)

Tull S.Donald y Del I. Hawkins. Marketing Research: Measurement and Methods. 6th edition. Prentice Hall, 2005.