Hart, S (2004). “When infants lose exclusive maternal attention: Is it jealousy?”. Infancy6: 57–78. doi:10.1207/s15327078in0601_3.
Shackelford, T.K.; Voracek, M.; Schmitt, D.P.; Buss, D.M.; Weekes-Shackelford, V.A.; Michalski, R.L. (2004). “Romantic jealousy in early adulthood and in later life”. Human Nature15: 283–300. doi:10.1007/s12110-004-1010-z.
Buss DM (December 2001), “Human nature and culture: an evolutionary psychological perspective”, J Pers69 (6): 955–78, doi:10.1111/1467-6494.696171, PMID11767825.