Istinguish between buzz, viral, and word-of-mouth marketing. Give an example of each

Please write approximately one page (single-spaced) on the following topic:
Distinguish between buzz, viral, and word-of-mouth marketing. Give an example of each.

please must cite from this book:Marketing 11th Edition, by Kerin, Hartley & Rudelius (McGraw-Hill Publishing). I believe you can find between ch1-ch6.