How industry buys : with conclusions and recommendations on marketing to industry / [by] Doanld H. Thain, Charles B. Johnston [and] David S.R. Leighton
"Sponsored by Business Newspapers Association of Canada and the Toronto, Hamilton and Montreal Chapters of National Industrial Advertisers Association". Based on studies made by second year graduate and senior students of the School of Business Administration, University of Western Ontario, 1957-59, and supervised by the authors with assistance from representatives of the sponsors.