Cita APA (7a ed.)

Watcyn-Jones, P. (2002). Pair work 2 (New ed.). Pearson Education.

Cita Chicago Style (17a ed.)

Watcyn-Jones, Peter. Pair Work 2. New ed. Harlow: Pearson Education, 2002.

Cita MLA (9a ed.)

Watcyn-Jones, Peter. Pair Work 2. New ed. Pearson Education, 2002.