Cita APA

Nunan, D., & David Nunan. (1996). Atlas testing package levels 1 & 2. Boston, MA: Heinle & Heinle.

Chicago Style Citation

Nunan, David, i David Nunan. Atlas Testing Package Levels 1 & 2. Boston, MA: Heinle & Heinle, 1996.

Cita MLA

Nunan, David, i David Nunan. Atlas Testing Package Levels 1 & 2. Boston, MA: Heinle & Heinle, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.