Παραπομπή σε μορφή APA (7η εκδ.)

Bitzer, P. (2016). Design principles for the productive delivery of blended learning services: The case of standard software-trainings in Germany. kassel university press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bitzer, Philipp. Design Principles for the Productive Delivery of Blended Learning Services: The Case of Standard Software-trainings in Germany. Kassel, [Germany]: kassel university press, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bitzer, Philipp. Design Principles for the Productive Delivery of Blended Learning Services: The Case of Standard Software-trainings in Germany. kassel university press, 2016.