WILLSON, J. D., & CAMPBELL, J. B. (1981). Controllership: The work of the managerial accountant.-- Ed. 3. John Wiley and Sons.

WILLSON, James D., and John B. CAMPBELL. Controllership: The Work of the Managerial Accountant.-- Ed. 3. Singapore: John Wiley and Sons, 1981.

WILLSON, James D., and John B. CAMPBELL. Controllership: The Work of the Managerial Accountant.-- Ed. 3. John Wiley and Sons, 1981.