Gaya APA

Zenger, J, H., Folkman, J, R. (2009). The Inspiring Leader : Unlocking The Secrets Of How Extraordinary Leaders Motivate . USA: Mcgraw Hill Education.

Gaya MLA

Zenger, John, H., Folkman, Joseph, R. "The Inspiring Leader : Unlocking The Secrets Of How Extraordinary Leaders Motivate". USA: Mcgraw Hill Education, 2009. Book.