Stern, Louis W. Marketing channels / Louis W. Stern, Adel I. El-Ansary. - Englewood Cliffs : Prentice Hall, c1982 - xx, 586 p. ; 23 cm. - Prentice-hall series in marketing . ISBN: 0135571731 Subjects--Topical Terms: Distribution channel. Dewey Class. No.: 658.84 / STE