APA-referens (7:e uppl.)

Chapman, G. D., & Green, J. (2017). The 5 love languages: The secret to love that lasts. Northfield Publishing.

Chicago-referens (17:e uppl.)

Chapman, Gary D., och Jocelyn Green. The 5 Love Languages: The Secret to Love That Lasts. Chicago: Northfield Publishing, 2017.

MLA-referens (9:e uppl.)

Chapman, Gary D., och Jocelyn Green. The 5 Love Languages: The Secret to Love That Lasts. Northfield Publishing, 2017.