APA aipamena

Traffic & commodity flow projections 1975, 1985. s.n.

Chicago Style aipamena

Traffic & Commodity Flow Projections 1975, 1985. [S.l: s.n.

MLA aipamena

Traffic & Commodity Flow Projections 1975, 1985. s.n.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.