Gaya APA

m.si, D, M, S., thornbury, S. (2009). Learner autonomy a guide to developing learner responsibility (Cet. 1). New York: Cambridge University Press.

Gaya MLA

m.si, Dra., Mayarni, Setyaningsih,., thornbury, Scott. "Learner autonomy a guide to developing learner responsibility". Cet. 1 New York: Cambridge University Press, 2009. Text.