Cita APA (7th ed.)
Willson, J. D. (1989). Budgeting and profit planning manual (2nd ed.). Warren, Gorham & Lamont, Inc..
Cita Chicago (17th ed.)
Willson, James D. Budgeting and Profit Planning Manual. 2nd ed. Boston: Warren, Gorham & Lamont, Inc., 1989.
Cita MLA (9th ed.)
Willson, James D. Budgeting and Profit Planning Manual. 2nd ed. Warren, Gorham & Lamont, Inc., 1989.
Atenció: Aquestes cites poden no estar 100% correctes.