Nussbaum, M. C. Accounting systems.
Lua i Stíl Chicago (17ú heag.)Nussbaum, Martha Craven. Accounting Systems.
Lua MLA (8ú heag.)Nussbaum, Martha Craven. Accounting Systems.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.