The following sites provide guidelines and outlines or templates for preparing marketing plans.
In addition to the guidance provided in your course textbook, the following sources provide additional information on preparing marketing plans and often include sample marketing plans. Additional sources, including ebooks, can be identified by searching Omni using the keywords Marketing and plan*, and then limiting the results to Available Online.
Marketing Plans: How to Prepare Them, How to Profit From Them (Eight Edition) by 
The Marketing Plan Handbook by
Includes a model marketing plan
