Citação norma APA

Philpot, S. (2011). Headway academic skills: Reading, writing, and study skills (student's book). Oxford: Oxford Univ. Press.

Citação norma Chicago

Philpot, Sarah. Headway Academic Skills: Reading, Writing, and Study Skills (student's Book). Oxford: Oxford Univ. Press, 2011.

Citação norma MLA

Philpot, Sarah. Headway Academic Skills: Reading, Writing, and Study Skills (student's Book). Oxford: Oxford Univ. Press, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.