1. CENSUS and STATISTICS DEPARTMENT. 2009a. External merchandise trade aggregate figures. Hong Kong: Hong Kong Government, http://www.censtatd.gov.hk/showtableexcel2.jsp?tableID=055.
2. CENSUS and STATISTICS DEPARTMENT 2009b. The situation of the four key industries in the Hong Kong economy in 2007. Hong Kong Monthly Digest of Statistics. Hong Kong: Hong Kong Government.
3. CENSUS and STATISTICS DEPARTMENT 2013. Port Cargo Statistics, 2007 to 2012. Hong Kong.
4. Port selection factors by shipping lines: Different perspectives between trunk liners and feeder service providers”;CHANG;Marine Policy,2008
5. An attribute-decision model for cross-border drayage problem”;CHEUNG;Transportation Research Part E: Logistics and Transportation Review,,2008