Coles, A. (2004). Counselling in the workplace. Open University Press.
Citazione stile Chigago Style (17a edizione)Coles, Adrian. Counselling in the Workplace. Maidenhead, England: Open University Press, 2004.
Citatione MLA (9a ed.)Coles, Adrian. Counselling in the Workplace. Open University Press, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.