Center for Research and Documentation on World Language Problems. (1977). Language Problems and Language Planning. University of Texas Press.
Chicagoスタイル(17版)引用形式Center for Research and Documentation on World Language Problems. Language Problems and Language Planning. Austin, Tex: University of Texas Press, 1977.
MLA(8版)引用形式Center for Research and Documentation on World Language Problems. Language Problems and Language Planning. University of Texas Press, 1977.
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