Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Backhaus, J. G. (2015). The University According to Humboldt: History, Policy, and Future Possibilities. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Jürgen Georg Backhaus. The University According to Humboldt: History, Policy, and Future Possibilities. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Jürgen Georg Backhaus. The University According to Humboldt: History, Policy, and Future Possibilities. Springer International Publishing : Imprint: Springer, 2015.