Hansen, M. T. (2009). Collaboration: How Leaders Avoid the Traps, Create Unity, and Reap Big Results. Harvard Business Review Press.
Chicago-čujuhus (17. p.)Hansen, Morten T. Collaboration: How Leaders Avoid the Traps, Create Unity, and Reap Big Results. Boston, Massachesutts: Harvard Business Review Press, 2009.
MLA-čujuhus (9. p.)Hansen, Morten T. Collaboration: How Leaders Avoid the Traps, Create Unity, and Reap Big Results. Harvard Business Review Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.