Sayles, L. R. (1979). Leadership: What effective managers really do {_} and how they do it. McGraw-Hill.
Cita Chicago Style (17a ed.)Sayles, Leonard R. Leadership: What Effective Managers Really Do {_} and How They Do It. New York [etc.]: McGraw-Hill, 1979.
Cita MLA (9a ed.)Sayles, Leonard R. Leadership: What Effective Managers Really Do {_} and How They Do It. McGraw-Hill, 1979.
Precaución: Estas citas no son 100% exactas.