Blanchard, O. (2011). Social media ROI: Managing and measuring social media efforts in your organization. Indianapolis, Ind.: Que.
Παραπομπή Chicago StyleBlanchard, Olivier. Social Media ROI: Managing and Measuring Social Media Efforts in Your Organization. Indianapolis, Ind.: Que, 2011.
Παραπομπή MLABlanchard, Olivier. Social Media ROI: Managing and Measuring Social Media Efforts in Your Organization. Indianapolis, Ind.: Que, 2011.
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