BANGS DAVID H. (1989). BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS (5th.). UPSTART PUBLISHING.
Lua i Stíl Chicago (17ú heag.)BANGS DAVID H. BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS. 5th. DOVER: UPSTART PUBLISHING, 1989.
Lua MLA (9ú heag.)BANGS DAVID H. BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS. 5th. UPSTART PUBLISHING, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.