Harrison, R. (2006). Headway (new) academic skills: Reading, writing, and study skills (student's book). Oxford: Oxford Univ. Press.
Παραπομπή Chicago StyleHarrison, Richard. Headway (new) Academic Skills: Reading, Writing, and Study Skills (student's Book). Oxford: Oxford Univ. Press, 2006.
Παραπομπή MLAHarrison, Richard. Headway (new) Academic Skills: Reading, Writing, and Study Skills (student's Book). Oxford: Oxford Univ. Press, 2006.
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