Holderness, J. (1990). Chatterbox: Pupil's book 3 (1a. ed.). Oxford University.
Cita Chicago (17th ed.)Holderness, Jackie. Chatterbox: Pupil's Book 3. 1a. ed. Oxford: Oxford University, 1990.
Cita MLA (9th ed.)Holderness, Jackie. Chatterbox: Pupil's Book 3. 1a. ed. Oxford University, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.