Langan, J. (2001). Sentence skills with readings (2nd ed.). Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoLangan, John. Sentence Skills With Readings. 2nd ed. Boston: McGraw-Hill, 2001.
MLA citiranjeLangan, John. Sentence Skills With Readings. 2nd ed. Boston: McGraw-Hill, 2001.
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