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