Cita APA (7a ed.)

Nuttall, C., & Evans, D. (2011). Pre-intermediate outcomes: Workbook. Heinle, Cengage Learning EMEA.

Cita Chicago Style (17a ed.)

Nuttall, Carol, y David Evans. Pre-intermediate Outcomes: Workbook. Hampshire: Heinle, Cengage Learning EMEA, 2011.

Cita MLA (9a ed.)

Nuttall, Carol, y David Evans. Pre-intermediate Outcomes: Workbook. Heinle, Cengage Learning EMEA, 2011.