Cels, S., Jong, J. d., & Nauta, F. (2012). Agents of change: Strategy and tactics for social innovation. Brookings Institution Press.
Chicago-čujuhus (17. p.)Cels, Sanderijn, Jorrit de Jong, juo Frans Nauta. Agents of Change: Strategy and Tactics for Social Innovation. Washington, D.C.: Brookings Institution Press, 2012.
MLA-čujuhus (9. p.)Cels, Sanderijn, et al. Agents of Change: Strategy and Tactics for Social Innovation. Brookings Institution Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.