Lechman, E. (2019). Exchange-Traded Funds in Europe. ELSEVIER.
Chicago Style aipamenaLechman, Ewa. Exchange-Traded Funds in Europe. ELSEVIER, 2019.
MLA aipamenaLechman, Ewa. Exchange-Traded Funds in Europe. ELSEVIER, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.