Gaya APA

Kouzes, J, M., Posner, B, Z. (2006). A Leader's Legacy (Trawas) . San Francisco: Jossey-Bas Publisher.

Gaya MLA

Kouzes, James, M.., Posner, Barry, Z.. "A Leader's Legacy (Trawas)". San Francisco: Jossey-Bas Publisher, 2006. Text.