1. Alexi M. Commentary on Earning and Employment in Trucking: Deregulating a Naturally Competitive Industry. Regulatory Reform and Labor Markets. 1998: 113-124.
2. Monaco K, Willmert J. Wages and hours of truck drivers: An analysis across data sets. “Transportation Quarterly“. 2003; 57: 167-177.
3. Poliak M, Krizanova A, Semanova S, Stefanikova L. The impact of procurement method of the transport services to the financial requirement of performance contracting entity. “Transport Problems / Problemy Transportu: international scientific journal“. 2013(8): 67-76.
4. Hilal N. L’eurosyndicalisme par l’action. Cheminots et routiers en Europe. Paris, l’Harmattan, coll., Logiques politiques. 2007, 298.
5. Cyprich O, Konečný V, Kilianová K. Short-term passenger demand forecasting using univariate time series theory. “Promet - Traffic&Transportation scientific journal on traffic and transportation research“.2013; 25: 533-541.