Fusar-Poli, P.; Howes, O.; Valmaggia, L.; McGuire, P. (2008). "'Truman' signs and vulnerability to psychosis". The British Journal of Psychiatry. 193 (2): 168. PMID18670010. डीओआइ:10.1192/bjp.193.2.168.
Fusar-Poli, P.; Howes, O.; Valmaggia, L.; McGuire, P. (2008). "'Truman' signs and vulnerability to psychosis". The British Journal of Psychiatry. 193 (2): 168. PMID18670010. डीओआइ:10.1192/bjp.193.2.168.