Boulton, W. R. (1984). Business policy: The art of strategic management. Macmillan ; Collier Macmillan.
Lua i Stíl Chicago (17ú heag.)Boulton, William R. Business Policy: The Art of Strategic Management. New York : London: Macmillan ; Collier Macmillan, 1984.
Lua MLA (9ú heag.)Boulton, William R. Business Policy: The Art of Strategic Management. Macmillan ; Collier Macmillan, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.