Paul Debra & Cadle James. (2016). Business Analysis. BCS.
Lua i Stíl Chicago (17ú heag.)Paul Debra & Cadle James. Business Analysis. U.K: BCS, 2016.
Lua MLA (9ú heag.)Paul Debra & Cadle James. Business Analysis. BCS, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.