Cita APA (7a ed.)

Langs, R. (1994). Doing supervision and being supervised. Karnac Books.

Cita Chicago Style (17a ed.)

Langs, Robert. Doing Supervision and Being Supervised. London: Karnac Books, 1994.

Cita MLA (8a ed.)

Langs, Robert. Doing Supervision and Being Supervised. Karnac Books, 1994.