SpringerLink (Online service), Van Zyl, L. E., & Rothmann Sr., S. (2019). Theoretical Approaches to Multi-Cultural Positive Psychological Interventions (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-20583-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Llewellyn Ellardus Van Zyl, και Sebastiaan Rothmann Sr. Theoretical Approaches to Multi-Cultural Positive Psychological Interventions. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-20583-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Theoretical Approaches to Multi-Cultural Positive Psychological Interventions. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-20583-6.
