World Health Organization. Regional Office for Europe, ebrary, Inc, Dora, C., & Phillips, M. A. (2000). Transport, environment, and health. World Health Organization, Regional Office for Europe.
Cita Chicago (17th ed.)World Health Organization. Regional Office for Europe, Inc ebrary, Carlos Dora, i Margaret A. Phillips. Transport, Environment, and Health. Copenhagen: World Health Organization, Regional Office for Europe, 2000.
Cita MLA (9th ed.)World Health Organization. Regional Office for Europe, et al. Transport, Environment, and Health. World Health Organization, Regional Office for Europe, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.