Cita APA

Hamp-Lyons,, L., & Heasley,, B. (2006). Study writing: Course in writing skills for academic purposes (2.). Cambridge University Press.

Citación estilo Chicago

Hamp-Lyons,, Liz, and Ben Heasley. Study Writing: Course in Writing Skills for Academic Purposes. 2. New Delhi: Cambridge University Press, 2006.

Cita MLA

Hamp-Lyons,, Liz, and Ben Heasley. Study Writing: Course in Writing Skills for Academic Purposes. 2. Cambridge University Press, 2006.