Norman, D., Levihn, U., & Hedenquist, J. A. (2002). Communicative ideas: An approach with classroom activities. Thomson/Heinle.
Chicago-viite (17. p.)Norman, David, Ulf Levihn, ja Jan Anders Hedenquist. Communicative Ideas: An Approach with Classroom Activities. Australia: Thomson/Heinle, 2002.
MLA-viite (9. p.)Norman, David, et al. Communicative Ideas: An Approach with Classroom Activities. Thomson/Heinle, 2002.
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