APA-Zitierstil (7. Ausg.)

Wragg, E. C. (1999). An introduction to classroom observation (2nd ed.). Routledge.

Chicago-Zitierstil (17. Ausg.)

Wragg, E. C. An Introduction to Classroom Observation. 2nd ed. London: Routledge, 1999.

MLA-Zitierstil (9. Ausg.)

Wragg, E. C. An Introduction to Classroom Observation. 2nd ed. Routledge, 1999.