"Contact Us." Renren Corporate. Retrieved on November 19, 2012. "Renren Inc. Beijing Headquarter 23/F, Jing An Center No.8 North Third Ring Road East Chao Yang District, Beijing" and "Room 1112，SOHO Zhong Shan Square, 1065 Zhong Shan West Road, Shanghai, 200051" and "Room A4001, China Shine Plaza, Linhexi Rd, Tianhe District, Guangzhou" – Chinese: "北京市朝阳区北三环东路8号静安中心23层" and "长宁区中山西路1065号11楼12室（SOHO中山广场B幢） 200051" and "广州市林和西路9号耀中广场A塔40层4001-4003"
Zhi Yang; Christo Wilson; Xiao Wang; Tingting Gao; Ben Y. Zhao; Yafei Dai (November 2011). "Uncovering Social Network Sybils in the Wild". Proc. of Internet Measurement Conference (IMC). Berlin, Germany.
