Holloman, C. (2014). The social media MBA guide to ROI: How to measure and improve your return on investment. John Wiley & Sons.
Cita Chicago (17th ed.)Holloman, Christer. The Social Media MBA Guide to ROI: How to Measure and Improve Your Return on Investment. West Sussex, England: John Wiley & Sons, 2014.
Cita MLA (9th ed.)Holloman, Christer. The Social Media MBA Guide to ROI: How to Measure and Improve Your Return on Investment. John Wiley & Sons, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.