Cita APA (7a ed.)

Nunan, D. (1999). Research Methods in Languages Learning (8th. ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Nunan, David. Research Methods in Languages Learning. 8th. ed. United Kingdom: Cambridge University Press, 1999.

Cita MLA (8a ed.)

Nunan, David. Research Methods in Languages Learning. 8th. ed. Cambridge University Press, 1999.