Freeman, D., & Donald Freeman; Kathleen Graves; Linda Lee. (2005). ICON: International communication through english. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoFreeman, Donald, và Donald Freeman; Kathleen Graves; Linda Lee. ICON: International Communication Through English. New York: McGraw-Hill, 2005.
Deismireacht MLAFreeman, Donald, và Donald Freeman; Kathleen Graves; Linda Lee. ICON: International Communication Through English. New York: McGraw-Hill, 2005.
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