Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Fricker, S. A., Thümmler, C., & Gavras, A. (2015). Requirements Engineering for Digital Health. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Samuel A. Fricker, Christoph Thümmler, και Anastasius Gavras. Requirements Engineering for Digital Health. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Requirements Engineering for Digital Health. Springer International Publishing : Imprint: Springer, 2015.