Hartmann, P. (2000). Quest: Listening and speaking in the academic work. Boston: McGraw-Hill.
Παραπομπή Chicago StyleHartmann, Pamela. Quest: Listening and Speaking in the Academic Work. Boston: McGraw-Hill, 2000.
Παραπομπή MLAHartmann, Pamela. Quest: Listening and Speaking in the Academic Work. Boston: McGraw-Hill, 2000.
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