The Zynga Statistics: Games, Platforms, Timeline and Revenue Analysis

http://www.blogherald.com/2010/09/16/the-zynga-statistics-games-platforms-timeline-and-revenue-analysis/

參考來源： http://www.blogherald.com/2010/09/16/the-zynga-statistics-games-platforms-timeline-and-revenue-analysis/ (在「Google 網頁註解」中檢視)