APA (7e ed.) Bronvermelding

Powell, G. R., Groves, S., & Dimos, J. (2011). ROI of $ocial media: How to improve the return on your social marketing investment. John Wiley & Sons (Asia).

Chicago (17e ed.) Bronvermelding

Powell, Guy R., Steven Groves, en Jerry Dimos. ROI of $ocial Media: How to Improve the Return on Your Social Marketing Investment. Singapore: John Wiley & Sons (Asia), 2011.

MLA (9e ed.) Bronvermelding

Powell, Guy R., et al. ROI of $ocial Media: How to Improve the Return on Your Social Marketing Investment. John Wiley & Sons (Asia), 2011.