APA aipamena

Soars L. Liz, Soars J. John, & Falla T. Tim. (2008). New Headway Advanced: Workbook with key. New York, Oxford University Press, 2008.

Chicago Style aipamena

Soars L. Liz, Soars J. John, and Falla T. Tim. New Headway Advanced: Workbook with Key. New York, Oxford University Press, 2008, 2008.

MLA aipamena

Soars L. Liz, et al. New Headway Advanced: Workbook with Key. New York, Oxford University Press, 2008, 2008.