Pomfret, R. (1992). Internatinal trade policy with imperfect competition. International Finance Section, Princeton University.
Chicago Style aipamenaPomfret, Richard. Internatinal Trade Policy with Imperfect Competition. Princeton, N.J: International Finance Section, Princeton University, 1992.
MLA aipamenaPomfret, Richard. Internatinal Trade Policy with Imperfect Competition. International Finance Section, Princeton University, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.