Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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