The following sources provide guidance on preparing marketing plans and often include sample marketing plans. Additional sources can be identified by search Omni for books and ebooks using the keywords Marketing and plan*.
Online Guides (ebooks)
Marketing Plans: How to Prepare Them, How to Profit From Them (Eight Edition) by Malcolm McDonald; Hugh Wilson"Marketing Plans is designed as a tool and a user-friendly learning resource. Every point illustrated by powerful practical examples and made actionable through simple, step-by-step templates and exercises. The book is established as essential reading for all serious professional marketers and students of marketing, from undergraduate and postgraduate to professional courses for bodies such as CIM. Above all it provides a practical, hands-on guide to implementing every single concept included in the text". (publisher)