Cita APA (7a ed.)

Capel A. Annette & Nixon R. Rosemary. (2007). PET Masterclass: Intermediate: Workbook with Answers. New York, Oxford University Press, 2007.

Cita Chicago Style (17a ed.)

Capel A. Annette y Nixon R. Rosemary. PET Masterclass: Intermediate: Workbook with Answers. New York, Oxford University Press, 2007, 2007.

Cita MLA (9a ed.)

Capel A. Annette y Nixon R. Rosemary. PET Masterclass: Intermediate: Workbook with Answers. New York, Oxford University Press, 2007, 2007.