Cita APA

Harrison, R. (2011). Headway academic skills level 3: Listening, speaking, and study skills. United Kingdom: Oxford.

Citación estilo Chicago

Harrison, Richard. Headway Academic Skills Level 3: Listening, Speaking, and Study Skills. United Kingdom: Oxford, 2011.

Cita MLA

Harrison, Richard. Headway Academic Skills Level 3: Listening, Speaking, and Study Skills. United Kingdom: Oxford, 2011.

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