एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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