@book{828253,
	author = {Jae K Shim and Joel G Siegel},
	title = {Cheng gong jue ce de 13 tang jing ji ke = Managerial economics},
	publisher = {Han xiang wen hua shi ye,},
	year = {2009.},
	series = {Cheng gong ren sheng},
	address = {Zhonghe :}
}