SAYLES LEONARD R. (1987). LEADERSHIP: WHAT EFFECTIVE MANAGERS REALLY DO:::AND HOW THEY DO IT (19.). GROLIER INCORPORATION BUSINESS LIBERARY MC.GRAW H.

SAYLES LEONARD R. LEADERSHIP: WHAT EFFECTIVE MANAGERS REALLY DO:::AND HOW THEY DO IT. 19. U S A: GROLIER INCORPORATION BUSINESS LIBERARY MC.GRAW H, 1987.

SAYLES LEONARD R. LEADERSHIP: WHAT EFFECTIVE MANAGERS REALLY DO:::AND HOW THEY DO IT. 19. GROLIER INCORPORATION BUSINESS LIBERARY MC.GRAW H, 1987.