Gaya APA

Hansen, M, T. (2009). Collaboration : How leaders, Avoid the Traps, Create Unity, and Reap Big Results . Boston: Harvard Business Review Press.

Gaya MLA

Hansen, Morten, T.. "Collaboration : How leaders, Avoid the Traps, Create Unity, and Reap Big Results". Boston: Harvard Business Review Press, 2009. Buku Perpustakaan.