Cita APA (7a ed.)

Campbell, C., & Kryszewska, H. (1995). Towards teaching: An exploration of teaching skills. Heinemann English Language Teaching.

Cita Chicago Style (17a ed.)

Campbell, Colin, y Hanna Kryszewska. Towards Teaching: An Exploration of Teaching Skills. Oxford: Heinemann English Language Teaching, 1995.

Cita MLA (9a ed.)

Campbell, Colin, y Hanna Kryszewska. Towards Teaching: An Exploration of Teaching Skills. Heinemann English Language Teaching, 1995.