Waterman, R. H. (1987). The renewal factor: How the best get and keep the competitive edge. Toronto: Bantam Books.
Čikaški stil citiranjaWaterman, Robert H. The Renewal Factor: How the Best Get and Keep the Competitive Edge. Toronto: Bantam Books, 1987.
MLA način citiranjaWaterman, Robert H. The Renewal Factor: How the Best Get and Keep the Competitive Edge. Toronto: Bantam Books, 1987.
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