APA aipamena

(1973). Promotion of urban public transport. [Brussels]: European Conference of Ministers of Transport.

Chicago Style aipamena

Promotion of Urban Public Transport. [Brussels]: European Conference of Ministers of Transport, 1973.

MLA aipamena

Promotion of Urban Public Transport. [Brussels]: European Conference of Ministers of Transport, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.