Slater, Charles L. (2003), “Generativity versus stagnation: An elaboration of erikson's adult stage of human development”, 《Journal of Adult Development》 10 (1): 53–65, doi:10.1023/a:1020790820868, S2CID140501567
Slater, Charles L. (2003), “Generativity versus stagnation: An elaboration of erikson's adult stage of human development”, 《Journal of Adult Development》 10 (1): 53–65, doi:10.1023/a:1020790820868, S2CID140501567