Ackoff, R. L. (1991). Ackoff's fables: Irreverent reflections on business and bureaucracy. Wiley.
Lua i Stíl Chicago (17ú heag.)Ackoff, Russell Lincoln. Ackoff's Fables: Irreverent Reflections on Business and Bureaucracy. New York: Wiley, 1991.
Lua MLA (9ú heag.)Ackoff, Russell Lincoln. Ackoff's Fables: Irreverent Reflections on Business and Bureaucracy. Wiley, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.