BEECH, J. (2015). Doing your business research project. Sage.
Lua i Stíl Chicago (17ú heag.)BEECH, John. Doing Your Business Research Project. Sage, 2015.
Lua MLA (9ú heag.)BEECH, John. Doing Your Business Research Project. Sage, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.