Malmstrom, Jean
Dialects USA
National Council of Teachers of English , 1963
 Buku Teks SO
Kislov, A.
USA and the islamic world
Sterling Publishers Private, 1984
 Buku Teks
Finegan, Edward
Language in the USA: themes for the twenty-first century
Cambridge University Press, 2006
 Buku Teks SO
Fairbank, John K. (John King)
China: the people's middle kingdom and the U.S.A.
Harvard University Press, 1967
 Buku Teks
Cullingworth, J.B.
Planning in the USA: policies, issues, and processes
Routledge, 1997
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