Norman, D., Levihn, U., & Hedenquist, J. A. Communicative ideas: An approach with classroom activities.
Chicago Style (17. basım) AtıfNorman, David, Ulf Levihn, ve Jan Anders Hedenquist. Communicative Ideas: An Approach with Classroom Activities.
MLA (8th ed.) AtıfNorman, David, et al. Communicative Ideas: An Approach with Classroom Activities.
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