Harper, W. (1969). Management accounting. Macdonald & Evans.
Lua i Stíl Chicago (17ú heag.)Harper, W. Management Accounting. London: Macdonald & Evans, 1969.
Lua MLA (9ú heag.)Harper, W. Management Accounting. Macdonald & Evans, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.