[Bangs98] Bangs Jr., D. H., The Business Planning Guide, 8th edition, Upstart Publishing Company, 1998.
[Gumpert96] Gumpert, D. E., How to Really Create a Successful Business Plan, 3rd edition, Inc. Magazine Publishing, 1996.
[Touchie98] Touchie, R. D., Preparing a Successful Business Plan, 3rd edition, Self-Counsel Press, 1998.