Industry Canada‘s Web site – Just for Businesses – provides guidelines on what businesses need “to know, grow and compete” including starting up a new business, federal incorporation and support.
Futurpreneur Canada Business Plan Writer- This crash course will outline the different sections of a winning business plan & provide you with practical tips for working your way through each section.
The Canada Business Network website offers help on how to write a sound business plan, how to conduct market research and access templates and sample business plans. Check out the section of their web site titled Business Planning.
Some of the Canadian banks offer guides to writing business plans:
U.S. Small Business Administration – Starting and Managing a Business including how to create a business plan.
Created by the experts at the MaRs Library, here's a business plan template you may consult.
"For further details and support on developing a business plan, download the MaRS workbook, The Business Plan and Executive Summary. The information and exercises in this workbook guide will provide a framework to help you organize and articulate your thoughts."
Business Plans Handbook
The Complete Book of Business Plans by 
Entrepreneurship by 
The Financial Times Essential Guide to Writing a Business Plan : how to win backing to start up or grow your business by 
How to Prepare a Business Plan by 
How to Write a Business Plan by 
How to Write a Business Plan by Writing a Convincing Business Plan by