Suedfeld, P. (1989). “Past the reflection and through the looking-glass: Extending loneliness research”. Trong Hojat, M.; Crandall, R. (biên tập). Loneliness: Theory, research and applications. Newbury Park, California: Sage Publications. tr. 51–6.
Lonely young adults in modern Britain: findings from an epidemiological cohort study. Psychological Medicine. Authors - Timothy Matthews (a1), Andrea Danese (a1) (a2), Avshalom Caspi (a1) (a3), Helen L. Fisher (a1), Sidra Goldman-Mellor (a4), Agnieszka Kepa (a1), Terrie E. Moffitt (a1) (a3), Candice L. Odgers (a5) (a6) and Louise Arseneault (a1). Published online on ngày 24 tháng 4 năm 2018. Published by Cambridge University Press. Truy cập ngày 25 tháng 7 năm 2018.
McPherson, M.; Smith-Lovin, L.; Brashears, M. E. (2006). “Social Isolation in America: Changes in Core Discussion Networks over Two Decades”. American Sociological Review. 71 (3): 353–75. doi:10.1177/000312240607100301.
Sum, Shima; Mathews, R. Mark; Hughes, Ian; Campbell, Andrew (2008). “Internet Use and Loneliness in Older Adults”. CyberPsychology & Behavior. 11 (2): 208–11. doi:10.1089/cpb.2007.0010. PMID18422415.
Shaw, Lindsay H.; Gant, Larry M. (2002). “In Defense of the Internet: The Relationship between Internet Communication and Depression, Loneliness, Self-Esteem, and Perceived Social Support”. CyberPsychology & Behavior. 5 (2): 157–71. doi:10.1089/109493102753770552. PMID12025883.
Hawkley, Louise C; Cacioppo, John T (2003). “Loneliness and pathways to disease”. Brain, Behavior, and Immunity. 17 (1): 98–105. doi:10.1016/S0889-1591(02)00073-9. PMID12615193.
Sum, Shima; Mathews, R. Mark; Hughes, Ian; Campbell, Andrew (2008). “Internet Use and Loneliness in Older Adults”. CyberPsychology & Behavior. 11 (2): 208–11. doi:10.1089/cpb.2007.0010. PMID18422415.
Shaw, Lindsay H.; Gant, Larry M. (2002). “In Defense of the Internet: The Relationship between Internet Communication and Depression, Loneliness, Self-Esteem, and Perceived Social Support”. CyberPsychology & Behavior. 5 (2): 157–71. doi:10.1089/109493102753770552. PMID12025883.
Hawkley, Louise C; Cacioppo, John T (2003). “Loneliness and pathways to disease”. Brain, Behavior, and Immunity. 17 (1): 98–105. doi:10.1016/S0889-1591(02)00073-9. PMID12615193.
Hughes, Carole (1999). The relationship of use of the Internet and loneliness among college students (PhD Thesis). Boston College. OCLC313894784.[cần số trang]