Cita APA (7a ed.)

Haines, S., & Stewart, B. (2004). First certificate masterclass: Workbook with key. Oxford University Press.

Cita Chicago Style (17a ed.)

Haines, Simon, y Barbara Stewart. First Certificate Masterclass: Workbook with Key. Oxford: Oxford University Press, 2004.

Cita MLA (9a ed.)

Haines, Simon, y Barbara Stewart. First Certificate Masterclass: Workbook with Key. Oxford University Press, 2004.