Quelch, J. A. (1989). Sales promotion management. Prentice Hall.
Tohutoru Kātū ChicagoQuelch, John A. Sales Promotion Management. Englewood Cliffs, N.J.: Prentice Hall, 1989.
Tohutoro MLAQuelch, John A. Sales Promotion Management. Prentice Hall, 1989.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.