250 psl.
Chinese kalba
Publikuota 2007, Lian pu chu ban, Cheng bang wen hua shi ye gu fen you xian gong si.
5 da li liang, 28 tang ke rang ni cheng wei bu ke huo que de qi ye = Indispensable : how to become the company that your customers can't live without Qi hua cong shu -- FP2157
Joe Calloway: Ru he rang gu ke li bu kai ni (Chinese language, 2007, Lian pu chu ban, Cheng bang wen hua shi ye gu fen you xian gong si)
250 psl.
Chinese kalba
Publikuota 2007, Lian pu chu ban, Cheng bang wen hua shi ye gu fen you xian gong si.