TD Magazine Article Authority Without Results Cancels Itself PB By Pieter Bruyn 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Member-Only Content Discusses an operational concept for managerial authority to be employed by managers and trainers. Functions of managerial authority; Bases of managerial authority; Yardsticks to effective managerial authority. You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In