Gaya APA

Institute, F, H, L. (2015). Five Most Important Questions: Enduring Wisdom For Today's Leaders . New Jersey: John Wiley & Sons, Inc.,.

Gaya MLA

Institute, Frances, Hesselbein, Leadership. "Five Most Important Questions: Enduring Wisdom For Today's Leaders". New Jersey: John Wiley & Sons, Inc.,, 2015. Text.