Cita APA (7a ed.)

Capel, A., & Nixon, R. (2003). PET Masterclass: Intermediate : workbook audio CD. Oxford University Press.

Cita Chicago Style (17a ed.)

Capel, Annette, y Rosemary Nixon. PET Masterclass: Intermediate : Workbook Audio CD. Oxford: Oxford University Press, 2003.

Cita MLA (9a ed.)

Capel, Annette, y Rosemary Nixon. PET Masterclass: Intermediate : Workbook Audio CD. Oxford University Press, 2003.