Gaya APA

DeGraff, J, D, J. (2002). Creativity at work : developing the right practices to make innovation happen.-- (Ed. 1.--). America: Jossey-Bass.

Gaya MLA

DeGraff, Jeff., DeGraff,, Jeff.. "Creativity at work : developing the right practices to make innovation happen.--". Ed. 1.-- America: Jossey-Bass, 2002. Buku.