Gaya APA

Kouzes, J, M., Posner, B, Z. (2003). Encouraging the heart : a leader's guide to rewarding and recognizing others . San Francisco: Jossey Bass.

Gaya MLA

Kouzes, James, M.., Posner, Barry, Z.. "Encouraging the heart : a leader's guide to rewarding and recognizing others". San Francisco: Jossey Bass, 2003. Buku/Printed Material.