1. Ackerman, J. M., Griskevicius, V., & Li, N. P. (2011). Let’s get serious: Communicating commitment in romantic relationships. Journal of Personality and Social Psychology, 100(6), 1079–1094. https://doi.org/10.1037/a0022412
2. Billingham, R. E., & Sack, A. R. (1987). Conflict tactics and the level of emotional commitment among unmarrieds. Human Relations, 40(1), 59–74. https://doi.org/10.1177/001872678704000105
3. Blau, P. M. (1992). Wymiana jako podstawowa siła życia społecznego [Exchange as the basic force of social life]. In J. Szmatka & M. Kempny (Eds.), Współczesne teorie wymiany społecznej [Contemporary theories of social exchange] (pp. 230–243). Wydawnictwo Naukowe PWN.
4. Bowlby, J. (1969). Attachment and loss, Vol. 1: Attachment. Basic Books.
5. Buss, D. M. (1988). Love acts: The evolutionary biology of love. In R. J. Sternberg & M. L. Barnes (Eds.), The psychology of love (pp. 100–118). Yale University Press.