Παραπομπή σε μορφή APA (7η εκδ.)

Ehls, D. (2014). Joining Decisions in Open Collaborative Innovation Communities: A Discrete Choice Study. Springer Fachmedien Wiesbaden : Imprint: Springer Gabler.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ehls, Daniel. Joining Decisions in Open Collaborative Innovation Communities: A Discrete Choice Study. Wiesbaden: Springer Fachmedien Wiesbaden : Imprint: Springer Gabler, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ehls, Daniel. Joining Decisions in Open Collaborative Innovation Communities: A Discrete Choice Study. Springer Fachmedien Wiesbaden : Imprint: Springer Gabler, 2014.