Gaya APA

George, B, G, B. (2003). Authentic leadership : rediscovering the secrets to creating lasting value.-- (Ed.1st.--). San Fransisco: Jossey Bass.

Gaya MLA

George, Bill., George,, Bill.. "Authentic leadership : rediscovering the secrets to creating lasting value.--". Ed.1st.-- San Fransisco: Jossey Bass, 2003. Buku.