Citazione APA

Liz Hamp-Lyons & Ben Heasley. (2006). Study writing: A course in writing skills for academic purpose (2nd.). Cambridge University Press.

Stile di citazione Chicago

Liz Hamp-Lyons e Ben Heasley. Study Writing: A Course in Writing Skills for Academic Purpose. 2nd. Cambridge: Cambridge University Press, 2006.

Citazione MLA

Liz Hamp-Lyons e Ben Heasley. Study Writing: A Course in Writing Skills for Academic Purpose. 2nd. Cambridge University Press, 2006.