Gaya APA
Lantu, D. et al (2007).
Servant Leadership : the Ultimate Calling to Fulfill your life Greatness .
Yogyakarta:
Gradien Books.
Gaya MLA
Lantu, Donald. et al.
"Servant Leadership : the Ultimate Calling to Fulfill your life Greatness".
Yogyakarta:
Gradien Books,
2007.
Text.