Brooker, Julie; Cullum, Michael; Gilroy, Andrea; McCombe, Brian; Mahony, Jacky; Ringrose, Kate; Russell, Denise; Smart, Louise; Zweigbergk, Britta von and Waldman, Judith. 2007. The use of art work in art psychotherapy with people who are prone to psychotic states: an evidence-based clinical practice guideline. London: Oxleas NHS Foundation Trust and Goldsmiths. ISBN 978-1-904158-78-3 [Book]