Cita APA (7th ed.)

Hamp-Lyons L. Liz & Heasley B. Ben. (2008). Study Writing: A course in writing skills for academic purposes (Second Edition.). New York, Cambridge University Press, 2008.

Cita Chicago (17th ed.)

Hamp-Lyons L. Liz i Heasley B. Ben. Study Writing: A Course in Writing Skills for Academic Purposes. Second Edition. New York, Cambridge University Press, 2008, 2008.

Cita MLA (9th ed.)

Hamp-Lyons L. Liz i Heasley B. Ben. Study Writing: A Course in Writing Skills for Academic Purposes. Second Edition. New York, Cambridge University Press, 2008, 2008.