Edwards , C. D. (1966). Trade regulations overseas. Oceana publications.
Chicago Style aipamenaEdwards , Corwin D. Trade Regulations Overseas. Newyork: Oceana publications, 1966.
MLA aipamenaEdwards , Corwin D. Trade Regulations Overseas. Oceana publications, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.