Langan, J. (2008). English skills with readings (7th ed., annotated instructor's ed.). New York: McGraw-Hill.
Čikaški stil citiranjaLangan, John. English Skills With Readings. 7th ed., annotated instructor's ed. New York: McGraw-Hill, 2008.
MLA način citiranjaLangan, John. English Skills With Readings. 7th ed., annotated instructor's ed. New York: McGraw-Hill, 2008.
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