Sommers, Montrose S. creator Barnes, James G. Sommers, Montrose S. text Toronto McGraw-Hill Ryerson c2004 10th ed. monographic xxiii, 566 pages : Illustrations. ; Previous ed., 9th Canadian ed., written by Montrose S. Sommers and James G. Barnes under title: Fundamentals of marketing. Marketing HF 5415 SOM 0070914389 9780070914384