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Strassenbahn-Trolleybus-Autobus : ihre wirtschaftliche Arbeitsteilung im städtischen Nahverkehr
Schurter, Hans, (1962)
Basic business logistics : transportation, materials management, phys. distribution
Ballou, Ronald H., (1978)
Deregulation of express coach services in Britain
Kilvington, Russell P., (1986)
International business and society
Wartick, Steven L., (1998)
Assessing corporate social performance: linking strategy and stakeholders of the firm
Mahon, John F., (2005)
The evolution of the corporate social performance model
Wartick, Steven Leslie, (1985)