Cita APA (7th ed.)

Campbell, D. (1995). Learning consultation: A systemic framework. Karnac Books.

Cita Chicago (17th ed.)

Campbell, David. Learning Consultation: A Systemic Framework. London: Karnac Books, 1995.

Cita MLA (9th ed.)

Campbell, David. Learning Consultation: A Systemic Framework. Karnac Books, 1995.