Johansson, J. K. (1996). Relentless: The Japanese way of marketing. New York: HarperBusiness.
Čikaški stil citiranjaJohansson, Johny K. Relentless: The Japanese Way of Marketing. New York: HarperBusiness, 1996.
MLA način citiranjaJohansson, Johny K. Relentless: The Japanese Way of Marketing. New York: HarperBusiness, 1996.
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