^Wong DW, Hall KR, Justice CA, Wong L. Counseling Individuals Through the Lifespan. Sage Publications. 2014: 326 [2021-10-14]. ISBN 978-1483322032. (原始内容存档于2021-12-20). 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.
^Miller, R. S., Perlman, D., & Brehm, S. S. (2007). Intimate Relationships (4th ed.). Toronto, ON: McGraw-Hill.
^Perlman, D. (2007). The best of times, the worst of times: The place of close relationships in psychology and our daily lives. Canadian Psychology, 48, 7-18.