Frommer, P. R., & Finegan, E. (2004). Looking at languages: A workbook elementary linguistics (3rd ed.). Boston, MA: Thomson/Wadsworth.
Trích dẫn kiểu ChicagoFrommer, Paul R., và Edward Finegan. Looking At Languages: A Workbook Elementary Linguistics. 3rd ed. Boston, MA: Thomson/Wadsworth, 2004.
Deismireacht MLAFrommer, Paul R., và Edward Finegan. Looking At Languages: A Workbook Elementary Linguistics. 3rd ed. Boston, MA: Thomson/Wadsworth, 2004.
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