Gaya APA

Akhmad, M, A., Heifetz, R, A. (2002). Leadership On The Line Staying Alive Through The Dangers Of Leading (-). Amerika: Harvard Business Review Press.

Gaya MLA

Akhmad, Muhaimin, Azzet,., Heifetz, Ronald, A. "Leadership On The Line Staying Alive Through The Dangers Of Leading". - Amerika: Harvard Business Review Press, 2002. Text.