Cameron, S. (2008). Hemispheres 1: Teacher's manual. New York, United States: McGraw-Hill ESL/ELT.
Chicago Style aipamenaCameron, Scott. Hemispheres 1: Teacher's Manual. New York, United States: McGraw-Hill ESL/ELT, 2008.
MLA aipamenaCameron, Scott. Hemispheres 1: Teacher's Manual. New York, United States: McGraw-Hill ESL/ELT, 2008.
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