BANGS DAVID H. (1989). BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS (5th.). UPSTART PUBLISHING.
芝加哥风格引文BANGS DAVID H. BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS. 5th. DOVER: UPSTART PUBLISHING, 1989.
MLA引文BANGS DAVID H. BUSINESS PLANNING GUIDE: CREATING A PLAN FOR SUCCESS IN YOUR OWN BUSINESS. 5th. UPSTART PUBLISHING, 1989.
警告：这些引文格式不一定是100％准确.