Joanna Cooke. (2002). New Headway English Course: Upper-intermediate (Teacher's Resource Book). Oxford: Oxford University Press.
Čikaški stil citiranjaJoanna Cooke. New Headway English Course: Upper-intermediate (Teacher's Resource Book). Oxford: Oxford University Press, 2002.
MLA način citiranjaJoanna Cooke. New Headway English Course: Upper-intermediate (Teacher's Resource Book). Oxford: Oxford University Press, 2002.
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