Cita APA (7th ed.)

(1989). Marketing challenges: Cases and exercises. McGraw-Hill.

Cita Chicago (17th ed.)

Marketing Challenges: Cases and Exercises. New York: McGraw-Hill, 1989.

Cita MLA (9th ed.)

Marketing Challenges: Cases and Exercises. McGraw-Hill, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.