Here is the website of the MIT professor who teaches System Dynamics, there is plenty of great examples here:
http://jsterman.scripts.mit.edu/Publications.html
in particular:
Business Dynamics - a system dynamics
(translated in chinese, 2008) 商务动态分析方法:对复杂世界的系统思考与建模
(sorry I am using a computer with no chinese on it, I'll re-edited in chinese later)