Nelson, O. S., & Woods, R. S. (1961). Accounting systems and data processing. South-western Pub. Co.
Lua i Stíl Chicago (17ú heag.)Nelson, Oscar Severine, agus Richard S. Woods. Accounting Systems and Data Processing. Cincinnati: South-western Pub. Co, 1961.
Lua MLA (8ú heag.)Nelson, Oscar Severine, agus Richard S. Woods. Accounting Systems and Data Processing. South-western Pub. Co, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.