APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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