Cita APA

Ellis, G., & Sinclair, B. (2005). Learning to learn english: A course in learner training (12. reimpr.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Ellis, Gail, y Barbara Sinclair. Learning to Learn English: A Course in Learner Training. 12. reimpr. Cambridge: Cambridge University Press, 2005.

Cita MLA

Ellis, Gail, y Barbara Sinclair. Learning to Learn English: A Course in Learner Training. 12. reimpr. Cambridge: Cambridge University Press, 2005.