Scholz, S. (2015). When customers become experts. Bamberg.
Chicago Style aipamenaScholz, Stefanie. When Customers Become Experts. Bamberg, 2015.
MLA aipamenaScholz, Stefanie. When Customers Become Experts. Bamberg, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.