Cita APA (7th ed.)

Nunan, D. (2009). Second language teaching & learning ([Philippine ed.].). Cengage Learning.

Cita Chicago (17th ed.)

Nunan, David. Second Language Teaching & Learning. [Philippine ed.]. Australia: Cengage Learning, 2009.

Cita MLA (9th ed.)

Nunan, David. Second Language Teaching & Learning. [Philippine ed.]. Cengage Learning, 2009.