Cita APA (7th ed.)
Volkema, R. J. (2006). Leverage: How to get it and how to keep it in any negotiation. AMACOM.
Cita Chicago (17th ed.)
Volkema, Roger J. Leverage: How to Get It and How to Keep It in Any Negotiation. New York: AMACOM, 2006.
Cita MLA (9th ed.)
Volkema, Roger J. Leverage: How to Get It and How to Keep It in Any Negotiation. AMACOM, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.