Philpot, S. (2006). New headway academic skills: Reading, writing, and study skills. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Philpot, Sarah. New Headway Academic Skills: Reading, Writing, and Study Skills. Oxford: Oxford University Press, 2006.
Lua MLA (8ú heag.)Philpot, Sarah. New Headway Academic Skills: Reading, Writing, and Study Skills. Oxford University Press, 2006.
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