DAVIDSON SIDNEY. (1978). HANDBOOK OF COST ACCOUNTING. MCGRWA-HILL.
Lua i Stíl Chicago (17ú heag.)DAVIDSON SIDNEY. HANDBOOK OF COST ACCOUNTING. NEW YORK: MCGRWA-HILL, 1978.
Lua MLA (9ú heag.)DAVIDSON SIDNEY. HANDBOOK OF COST ACCOUNTING. MCGRWA-HILL, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.