Cita APA (7a ed.)

Andrews, S., & Templer, J. (1983). Practising for proficiency 1. Heineman.

Cita Chicago Style (17a ed.)

Andrews, Stephen, y J.C Templer. Practising for Proficiency 1. Oxford: Heineman, 1983.

Cita MLA (8a ed.)

Andrews, Stephen, y J.C Templer. Practising for Proficiency 1. Heineman, 1983.