Ozawa-de Silva, Chikako (11. februar 2020). «In the eyes of others: Loneliness and relational meaning in life among Japanese college students». Transcultural Psychiatry. 57 (5): 623–634. PMID32041496. doi:10.1177/1363461519899757.
Sone T.; Nakaya N.; Ohmori K.; Shimazu T.; Higashiguchi M.; Kakizaki M.; Kikuchi N.; Kuriyama S.; Tsuji I. (2008). «Sense of life worth living (ikigai) and mortality in Japan: Ohsaki Study». Psychosomatic Medicine. 70 (6): 709–15. PMID18596247. doi:10.1097/PSY.0b013e31817e7e64.
Tanno K.; Sakata K.; Ohsawa M.; Onoda T.; Itai K.; Yaegashi Y.; Tamakoshi A. (2009). «Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study». Journal of Psychosomatic. 67 (1): 67–75. PMID19539820. doi:10.1016/j.jpsychores.2008.10.018.
Ozawa-de Silva, Chikako (11. februar 2020). «In the eyes of others: Loneliness and relational meaning in life among Japanese college students». Transcultural Psychiatry. 57 (5): 623–634. PMID32041496. doi:10.1177/1363461519899757.
Sone T.; Nakaya N.; Ohmori K.; Shimazu T.; Higashiguchi M.; Kakizaki M.; Kikuchi N.; Kuriyama S.; Tsuji I. (2008). «Sense of life worth living (ikigai) and mortality in Japan: Ohsaki Study». Psychosomatic Medicine. 70 (6): 709–15. PMID18596247. doi:10.1097/PSY.0b013e31817e7e64.
Tanno K.; Sakata K.; Ohsawa M.; Onoda T.; Itai K.; Yaegashi Y.; Tamakoshi A. (2009). «Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study». Journal of Psychosomatic. 67 (1): 67–75. PMID19539820. doi:10.1016/j.jpsychores.2008.10.018.