Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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