I.M.F & Lotuace, v. G. (1985). IMF survey. I.M.F.
Chicago Style aipamenaI.M.F and violeta G. Lotuace. IMF Survey. Washington: I.M.F, 1985.
MLA aipamenaI.M.F and violeta G. Lotuace. IMF Survey. I.M.F, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.