Williamson, D. (1996). Cost and management accounting. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Williamson, Duncan. Cost and Management Accounting. New York: Prentice Hall, 1996.
Lua MLA (8ú heag.)Williamson, Duncan. Cost and Management Accounting. Prentice Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.