Gaya APA

Krug, E, O, ;, D. (1991). Enlightened leadership: getting to the heart of change (ed. 1). New York: Simon & Schuster.

Gaya MLA

Krug, Ed, Oakley, ;, Doug. "Enlightened leadership: getting to the heart of change". ed. 1 New York: Simon & Schuster, 1991. Text.