APA
Link H., Maibach M. e. & Dodgson J. S. (1999). The costs of road infrastructure and congestion in Europe. Heidelberg: Physica-Verlag.
Chicago
Link Heike, Maibach Markus et.al and Dodgson John S. 1999. The costs of road infrastructure and congestion in Europe. Heidelberg: Physica-Verlag.
Harvard
Link H., Maibach M. e. and Dodgson J. S. (1999). The costs of road infrastructure and congestion in Europe. Heidelberg: Physica-Verlag.
MLA
Link Heike, Maibach Markus et.al and Dodgson John S. The costs of road infrastructure and congestion in Europe. Heidelberg: Physica-Verlag. 1999.