Cita APA (7th ed.)
Barrett-Lennard, G. T. Steps on Mindful Journey: Person-Centred Expressions. PCCS Books.
Cita Chicago (17th ed.)
Barrett-Lennard, Godfrey T. Steps on Mindful Journey: Person-Centred Expressions. Ross-on-Wye, Inglaterra: PCCS Books.
Cita MLA (9th ed.)
Barrett-Lennard, Godfrey T. Steps on Mindful Journey: Person-Centred Expressions. PCCS Books.
Atenció: Aquestes cites poden no estar 100% correctes.