Παραπομπή σε μορφή APA (7η εκδ.)

(2018). Hans-Michael Geiger- Informational Efficiency in Speculative Markets- A Theoretical Investigation: Informational Efficiency in Speculative Markets. Peter Lang International Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hans-Michael Geiger- Informational Efficiency in Speculative Markets- A Theoretical Investigation: Informational Efficiency in Speculative Markets. Bern: Peter Lang International Academic Publishers, 2018.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hans-Michael Geiger- Informational Efficiency in Speculative Markets- A Theoretical Investigation: Informational Efficiency in Speculative Markets. Peter Lang International Academic Publishers, 2018.