BARROW COLIN. (2001). BUSINESS ENTERPRISE HANDBOOK. KOGAN PAGE.
Lua i Stíl Chicago (17ú heag.)BARROW COLIN. BUSINESS ENTERPRISE HANDBOOK. LONDON: KOGAN PAGE, 2001.
Lua MLA (9ú heag.)BARROW COLIN. BUSINESS ENTERPRISE HANDBOOK. KOGAN PAGE, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.