6Braj B.Krachru 1985.Instituationalived Second-Language Varieties by Sidney Greenbaum The English Language Today[M].Oxford:Pergamon Press
7Garland Cannan Chinese Borrovings in English[J].American Speech The University of Alabama Press.1988
8Hudson R.A.Sociolinguistics[M].Cambridge University Press.1988
9John Rickford Elcabeth Closs Traugott Symbol of Power lessness and Degenemcy or Symbol of Solidarity and Truth?Pradoxical Attitudes Torumrd Pidgins and Greoles[J].Sidney Greenbaum.The English Language Today.Oxford.Pergamon Press.1985.
10Loreto Todd Ian Hancock International English Usage.Croom Helm Ltd[M].Provident House.1886.