Cita APA (7th ed.)
Tracy, B. Leadership the critical difference. Nightingale-Conant Corporation.
Cita Chicago (17th ed.)
Tracy, Brian. Leadership the Critical Difference. Chicago: Nightingale-Conant Corporation.
Cita MLA (9th ed.)
Tracy, Brian. Leadership the Critical Difference. Nightingale-Conant Corporation.
Atenció: Aquestes cites poden no estar 100% correctes.