Sheen Raymond. (2015). HBR Guide to Building Your Business Case. Harvard Bus. School.
Lua i Stíl Chicago (17ú heag.)Sheen Raymond. HBR Guide to Building Your Business Case. Boston: Harvard Bus. School, 2015.
Lua MLA (9ú heag.)Sheen Raymond. HBR Guide to Building Your Business Case. Harvard Bus. School, 2015.
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