Cita APA (7th ed.)

Campbell, C., & Kryszewska, H. (1992). Learner-based teaching (1a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Campbell, Colin, i Hanna Kryszewska. Learner-based Teaching. 1a. ed. Hong Kong: Oxford University Press, 1992.

Cita MLA (9th ed.)

Campbell, Colin, i Hanna Kryszewska. Learner-based Teaching. 1a. ed. Oxford University Press, 1992.