Welsch, G. A. (1964). Budgeting: Profit planning and control. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Welsch, Glenn A. Budgeting: Profit Planning and Control. New Jersey: Prentice-Hall, 1964.
Lua MLA (9ú heag.)Welsch, Glenn A. Budgeting: Profit Planning and Control. Prentice-Hall, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.