Cita APA (7th ed.)

Osmond, A. (2013). Academic writing and grammar for students. Sage Publications.

Cita Chicago (17th ed.)

Osmond, Alex. Academic Writing and Grammar for Students. City Road, London: Sage Publications, 2013.

Cita MLA (9th ed.)

Osmond, Alex. Academic Writing and Grammar for Students. Sage Publications, 2013.