#维基百科,[http://wc.yooooo.us/wiki/%E5%88%9B%E4%BD%9C%E5%85%B1%E7%94%A8 知识共享]
#Wikipedia,[https://en.wikipedia.org/wiki/Creative_Commons Creative Commons]
#百度百科,[http://baike.baidu.com/link?url=k4I6a6bHFX3x0FA0y0OZVxr7IpqT-4_r79nzxjuANGRdRWrVlPaqpSeeXDDcoQiK-Xr4KiaWE1dqIUI2o8ckklDZSdokwQU5tY5LGNAjZzPC5P-lTm8qC2wGXVU_rvG2Ut0-eEChb1GEFgoQdnc1DtH07N1rOhLm3OmKXbac4S_ creative commons]