APA (7e ed.) Bronvermelding

BANGS DAVID H. (1989). BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS (5th.). UPSTART PUBLISHING.

Chicago (17e ed.) Bronvermelding

BANGS DAVID H. BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS. 5th. DOVER: UPSTART PUBLISHING, 1989.

MLA (9e ed.) Bronvermelding

BANGS DAVID H. BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS. 5th. UPSTART PUBLISHING, 1989.