Cita APA (7th ed.)

Nunan, D. (1999). Second language teaching and learning. Heinle and Heinle Publishers.

Cita Chicago (17th ed.)

Nunan, David. Second Language Teaching and Learning. Boston: Heinle and Heinle Publishers, 1999.

Cita MLA (9th ed.)

Nunan, David. Second Language Teaching and Learning. Heinle and Heinle Publishers, 1999.