IE Business Cases. PayForaPresent.com: Consumer Behavior & Expansion Opportunities for a Web-Based Start-Up. [s.n.].
Chicago Style (17. basım) AtıfIE Business Cases. PayForaPresent.com: Consumer Behavior & Expansion Opportunities for a Web-Based Start-Up. [S.l.]: [s.n.].
MLA (9th ed.) AtıfIE Business Cases. PayForaPresent.com: Consumer Behavior & Expansion Opportunities for a Web-Based Start-Up. [s.n.].
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