APA-viite (7. p.)
Vogt, H. (2008). Open Source customer relationship management solutions: Potential for an impact of Open Source CRM solutions on small- and medium sized enterprises. Diplomica Verlag.
Chicago-viite (17. p.)
Vogt, Henrik. Open Source Customer Relationship Management Solutions: Potential for an Impact of Open Source CRM Solutions on Small- and Medium Sized Enterprises. Hamburg [Germany]: Diplomica Verlag, 2008.
MLA-viite (9. p.)
Vogt, Henrik. Open Source Customer Relationship Management Solutions: Potential for an Impact of Open Source CRM Solutions on Small- and Medium Sized Enterprises. Diplomica Verlag, 2008.
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