Kolsen, H. M. (1968). The economics and control of road-rail competition: A critical study of theory and practice in the United States of America, Great Britain, and Australia. Univ. Press.
Chicago-Zitierstil (17. Ausg.)Kolsen, Helmuth M. The Economics and Control of Road-rail Competition: A Critical Study of Theory and Practice in the United States of America, Great Britain, and Australia. Sydney: Univ. Press, 1968.
MLA-Zitierstil (9. Ausg.)Kolsen, Helmuth M. The Economics and Control of Road-rail Competition: A Critical Study of Theory and Practice in the United States of America, Great Britain, and Australia. Univ. Press, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.