Welsch, G. A. (1964). Budgeting: Profit planning and control. Prentice-Hall.
Cita Chicago (17th ed.)Welsch, Glenn A. Budgeting: Profit Planning and Control. New Jersey: Prentice-Hall, 1964.
Cita MLA (9th ed.)Welsch, Glenn A. Budgeting: Profit Planning and Control. Prentice-Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.