Welsch, G. A. (1971). Budgeting: Profit - planning and control. Prentice Hall.
Dyfyniad Arddull ChicagoWelsch, Glenn A. Budgeting: Profit - Planning and Control. London: Prentice Hall, 1971.
Dyfyniad MLAWelsch, Glenn A. Budgeting: Profit - Planning and Control. Prentice Hall, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.