De Leeuw, F., Bogman, F., & Aalst, R. M. v. (2001). Air pollution by ozone in Europe in summer 2001: Overview of exceedances of EC ozone threshold values during the summer season April-August 2001. Office for Official Publications of the European Communities.
Cita Chicago Style (17a ed.)De Leeuw, Frank, Ferdinand Bogman, y Roel M. van Aalst. Air Pollution by Ozone in Europe in Summer 2001: Overview of Exceedances of EC Ozone Threshold Values During the Summer Season April-August 2001. Luxembourg: Office for Official Publications of the European Communities, 2001.
Cita MLA (9a ed.)De Leeuw, Frank, et al. Air Pollution by Ozone in Europe in Summer 2001: Overview of Exceedances of EC Ozone Threshold Values During the Summer Season April-August 2001. Office for Official Publications of the European Communities, 2001.
