Boulton, W. R. (1984). Business policy: The art of strategic management. New York: Macmillan.
Chicago Style aipamenaBoulton, William R. Business Policy: The Art of Strategic Management. New York: Macmillan, 1984.
MLA aipamenaBoulton, William R. Business Policy: The Art of Strategic Management. New York: Macmillan, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.