Trowbridge R (May 2011). "Waiting for Sophia: 30 years of Conceptualizing Wisdom in Empirical Psychology". Research in Human Development. 8 (2): 111–117. doi:10.1080/15427609.2011.568872. S2CID145371442.
Trowbridge R (May 2011). "Waiting for Sophia: 30 years of Conceptualizing Wisdom in Empirical Psychology". Research in Human Development. 8 (2): 111–117. doi:10.1080/15427609.2011.568872. S2CID145371442.