Lecce, Serena; Ceccato, Irene; Cavallini, Elena (2 September 2019). "Theory of mind, mental state talk and social relationships in aging: The case of friendship". Aging & Mental Health. 23 (9): 1105–1112. doi:10.1080/13607863.2018.1479832. PMID30482047. S2CID53754444.
Lecce, Serena; Ceccato, Irene; Cavallini, Elena (2 September 2019). "Theory of mind, mental state talk and social relationships in aging: The case of friendship". Aging & Mental Health. 23 (9): 1105–1112. doi:10.1080/13607863.2018.1479832. PMID30482047. S2CID53754444.
Lecce, Serena; Ceccato, Irene; Cavallini, Elena (2 September 2019). "Theory of mind, mental state talk and social relationships in aging: The case of friendship". Aging & Mental Health. 23 (9): 1105–1112. doi:10.1080/13607863.2018.1479832. PMID30482047. S2CID53754444.