Merkoša sitáhtat

APA-čujuhus (7. p.)
Evanschitzky, H., & Iyer, G. R. (2007). E-Services: Opportunities and Threats. DUV. https://doi.org/10.1007/978-3-8350-9614-1
Chicago-čujuhus (17. p.)
Evanschitzky, Heiner, juo Gopalkrishnan R. Iyer. E-Services: Opportunities and Threats. Wiesbaden: DUV, 2007. https://doi.org/10.1007/978-3-8350-9614-1.
MLA-čujuhus (9. p.)
Evanschitzky, Heiner, juo Gopalkrishnan R. Iyer. E-Services: Opportunities and Threats. DUV, 2007. https://doi.org/10.1007/978-3-8350-9614-1.
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