2[2]The Institute of Maritime Law University of Southampton England.The Ratification of Maritime Conventions:Vol.1& Vol.2[M].London:Lloyd's of London Press Ltd,2005.
3[3]SAINTIER S,SCHOLES J.Commercial Agents and the Law[M].London:Lloyd's of London Press Ltd,2005.
4[4]SCHIELS K T.Tramp Ship Agency Practice[M].London:Lloyd's of London Press Ltd,1987.