Freeman, D. (2005). ICON 3: International communication through English. McGraw-Hill.
Chicago Style (17. basım) AtıfFreeman, Donald. ICON 3: International Communication Through English. Boston, MA: McGraw-Hill, 2005.
MLA (8th ed.) AtıfFreeman, Donald. ICON 3: International Communication Through English. McGraw-Hill, 2005.
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