Kim, Jungsik; Elaine Hatfield (2004). „Love types and subjective well-being: a cross-cultural study” (PDF). Social Behavior and Personality (Society for Personality Research) 32 (2): 173–182. DOI:10.2224/sbp.2004.32.2.173. Arhivirano iz originala na datum 10. 7. 2011.. Pristupljeno 2009-12-01. »Evolutionary theory theorizes that love is just one of the emotional experiences which have been selected during the evolution process since it has helped humans find mates for reproduction [...]«
elainehatfield.com
Kim, Jungsik; Elaine Hatfield (2004). „Love types and subjective well-being: a cross-cultural study” (PDF). Social Behavior and Personality (Society for Personality Research) 32 (2): 173–182. DOI:10.2224/sbp.2004.32.2.173. Arhivirano iz originala na datum 10. 7. 2011.. Pristupljeno 2009-12-01. »Evolutionary theory theorizes that love is just one of the emotional experiences which have been selected during the evolution process since it has helped humans find mates for reproduction [...]«
Kim, Jungsik; Elaine Hatfield (2004). „Love types and subjective well-being: a cross-cultural study” (PDF). Social Behavior and Personality (Society for Personality Research) 32 (2): 173–182. DOI:10.2224/sbp.2004.32.2.173. Arhivirano iz originala na datum 10. 7. 2011.. Pristupljeno 2009-12-01. »Evolutionary theory theorizes that love is just one of the emotional experiences which have been selected during the evolution process since it has helped humans find mates for reproduction [...]«