Gaya APA

Hesselbein, F., Goldsmith, M. (2006). The Leader of the future 2 : visions, strategies, and practices for the new era (2). California: Jossey-Bass Publishers.

Gaya MLA

Hesselbein, Frances., Goldsmith, Marshall. "The Leader of the future 2 : visions, strategies, and practices for the new era". 2 California: Jossey-Bass Publishers, 2006. Text.