Tregoe, B. B. (1989). Vision in action: Putting a winning strategy to work. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)Tregoe, Benjamin B. Vision in Action: Putting a Winning Strategy to Work. New York: Simon and Schuster, 1989.
Lua MLA (9ú heag.)Tregoe, Benjamin B. Vision in Action: Putting a Winning Strategy to Work. Simon and Schuster, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.