Cita APA (7th ed.)

POSNER BARRY Z. (1997). LEADERSHIP CHALLENGE: HOW TO KEEP GETTING--- IN ORGANIZATIONS. JOSSEY-BASS PUBLICATIONS.

Cita Chicago (17th ed.)

POSNER BARRY Z. LEADERSHIP CHALLENGE: HOW TO KEEP GETTING--- IN ORGANIZATIONS. SAN FRANCISCO: JOSSEY-BASS PUBLICATIONS, 1997.

Cita MLA (9th ed.)

POSNER BARRY Z. LEADERSHIP CHALLENGE: HOW TO KEEP GETTING--- IN ORGANIZATIONS. JOSSEY-BASS PUBLICATIONS, 1997.