Allport, GW, Vernon PE & Lindzey G (1960).
Anthropologist, 18(3): 869 -875.
Barni, D., Ranieri, S., Scabini, E., & Rosnati, R. (2011). Value transmission in the family: Do adolescents accept the values their parents want to transmit? Journal of Moral Education, 40(1), 105-121