Cita APA (7th ed.)

Wajnryb, R. (1992). Classroom observation tasks. Cambridge University.

Cita Chicago (17th ed.)

Wajnryb, Ruth. Classroom Observation Tasks. Cambridge: Cambridge University, 1992.

Cita MLA (9th ed.)

Wajnryb, Ruth. Classroom Observation Tasks. Cambridge University, 1992.