एपीए उद्धरण

Mohring,Herbert. (1976). Transportation economics. Ballinger Publishing Company.

शिकागो स्टाइल उद्धरण

Mohring,Herbert. Transportation Economics. Cambridge: Ballinger Publishing Company, 1976.

एमएलए उद्धरण

Mohring,Herbert. Transportation Economics. Ballinger Publishing Company, 1976.