Swan, M., & Walter, C. (1985). The Cambridge English Course: Teacher's Book. Cambridge: Cambridge University.
Dyfyniad Arddull ChicagoSwan, Michael, và Catherine Walter. The Cambridge English Course: Teacher's Book. Cambridge: Cambridge University, 1985.
Dyfyniad MLASwan, Michael, và Catherine Walter. The Cambridge English Course: Teacher's Book. Cambridge: Cambridge University, 1985.
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