PETRINCO, Michele, SNIDERO, Silvia, TOTIS, Miriam, CASINI, Mario, FERLIGOJ, Anuška, ROZBOWSKY, Patrizia in GREGORI, Dario, 2006, Modalities and costs of familiar and social support to chronically ill patients: a pilot investigation in the Udine health district. Advances in methodology and statistics [na spletu]. 2006. Vol. 3, no. 2, p. 253–265. [Dostopano 10 april 2025]. Pridobljeno s: http://mrvar.fdv.uni-lj.si/pub/mz/mz3.1/petrinco.pdf