GARDNER D C. (1998). FUTURES AND OPTIONS. MACMILLAN.
Chicago Style aipamenaGARDNER D C. FUTURES AND OPTIONS. MUMBAI: MACMILLAN, 1998.
MLA aipamenaGARDNER D C. FUTURES AND OPTIONS. MACMILLAN, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.