Global marketing management : a strategic perspective / Brian Toyne, Peter G.P. Walters. — 2ª ed. — Boston [etc] : Allyn and Bacon, [1993]. — 734 p. ; 25 cm. — ISBN 0-205-14137-4 1. Marketing.2. Empresas multinacionales. I. Walters, Peter G.P.. 658.8:334.726