Sheen, R. (2015). HBR Guide to Building Your Business Case. Boston, Massachusetts: Havard Business Review Press.
Čikaški stil citiranjaSheen, Raymond. HBR Guide to Building Your Business Case. Boston, Massachusetts: Havard Business Review Press, 2015.
MLA način citiranjaSheen, Raymond. HBR Guide to Building Your Business Case. Boston, Massachusetts: Havard Business Review Press, 2015.
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