Cita APA (7th ed.)

Gillon, E. (2007). Person-centred counselling psychology: An introduction. Sage.

Cita Chicago (17th ed.)

Gillon, Ewan. Person-centred Counselling Psychology: An Introduction. Los Angeles: Sage, 2007.

Cita MLA (9th ed.)

Gillon, Ewan. Person-centred Counselling Psychology: An Introduction. Sage, 2007.