Cita APA (7th ed.)

O'BRIEN, T. (2003). Promoting positive behaviour. David Fulton.

Cita Chicago (17th ed.)

O'BRIEN, Tim. Promoting Positive Behaviour. London: David Fulton, 2003.

Cita MLA (9th ed.)

O'BRIEN, Tim. Promoting Positive Behaviour. David Fulton, 2003.