Center for Research and Documentation on World Language Problems. (1977). Language Problems and Language Planning. University of Texas Press.
Čikaški stil citiranja (17. izdanje)Center for Research and Documentation on World Language Problems. Language Problems and Language Planning. Austin, Tex: University of Texas Press, 1977.
MLA način citiranja (8. izdanje)Center for Research and Documentation on World Language Problems. Language Problems and Language Planning. University of Texas Press, 1977.
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