Wong DW, Hall KR, Justice CA, Wong L (2014). Counseling Individuals Through the Lifespan. SAGE Publications. стр. 326. ISBN978-1483322032. „Intimacy: As an intimate relationship is an interpersonal relationship that involves physical or emotional intimacy. Physical intimacy is characterized by romantic or passionate attachment or sexual activity.”
Emery, Lydia F.; Muise, Amy; Dix, Emily L.; Le, Benjamin (17. 9. 2014). „Can You Tell That I'm in a Relationship? Attachment and Relationship Visibility on Facebook”. Personality and Social Psychology Bulletin. 40 (11): 1466—1479. PMID25231798. S2CID206445338. doi:10.1177/0146167214549944.CS1 одржавање: Формат датума (веза)
Emery, Lydia F.; Muise, Amy; Dix, Emily L.; Le, Benjamin (17. 9. 2014). „Can You Tell That I'm in a Relationship? Attachment and Relationship Visibility on Facebook”. Personality and Social Psychology Bulletin. 40 (11): 1466—1479. PMID25231798. S2CID206445338. doi:10.1177/0146167214549944.CS1 одржавање: Формат датума (веза)
Emery, Lydia F.; Muise, Amy; Dix, Emily L.; Le, Benjamin (17. 9. 2014). „Can You Tell That I'm in a Relationship? Attachment and Relationship Visibility on Facebook”. Personality and Social Psychology Bulletin. 40 (11): 1466—1479. PMID25231798. S2CID206445338. doi:10.1177/0146167214549944.CS1 одржавање: Формат датума (веза)