Ruppenthal, K. M., & Stanbury, W. T. (1976). Transportation policy: Regulation, competition and the public interest. Centre for Transportation Studies.
Citazione stile Chigago Style (17a edizione)Ruppenthal, Karl Maxwell, e W T. Stanbury. Transportation Policy: Regulation, Competition and the Public Interest. Vancouver: Centre for Transportation Studies, 1976.
Citatione MLA (9a ed.)Ruppenthal, Karl Maxwell, e W T. Stanbury. Transportation Policy: Regulation, Competition and the Public Interest. Centre for Transportation Studies, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.