APA aipamena

Pockell, L., & Avila, A. (2007). The 100 greatest leadership principles of all time. Warner Business Books.

Chicago Style aipamena

Pockell, Leslie, and Adrienne Avila. The 100 Greatest Leadership Principles of All Time. New York: Warner Business Books, 2007.

MLA aipamena

Pockell, Leslie, and Adrienne Avila. The 100 Greatest Leadership Principles of All Time. Warner Business Books, 2007.