Langan, J. (2010). Reading and study skills. New York, NY: McGraw-Hill Higher Education.
Παραπομπή Chicago StyleLangan, John. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education, 2010.
Παραπομπή MLALangan, John. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education, 2010.
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