Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Westerman, P., Hage, J., Kirste, S., & Mackor, A. R. (2018). Legal Validity and Soft Law (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-77522-7

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Pauline Westerman, Jaap Hage, Stephan Kirste, και Anne Ruth Mackor. Legal Validity and Soft Law. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-77522-7.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Legal Validity and Soft Law. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-77522-7.