Cunningham, S. (2004). American cutting edge: Teacher's resource book. Hong Kong: Longman Asia ELT.
Chicago Style aipamenaCunningham, Sarah. American Cutting Edge: Teacher's Resource Book. Hong Kong: Longman Asia ELT, 2004.
MLA aipamenaCunningham, Sarah. American Cutting Edge: Teacher's Resource Book. Hong Kong: Longman Asia ELT, 2004.
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