Ludwig, F. L., & Shelar, E. (1978). Site selection for the monitoring of photochemical air pollutants. US Environmental Protection Agency, Office of Air, Noise, and Radiation.
Chicago-Zitierstil (17. Ausg.)Ludwig, F. L., und E. Shelar. Site Selection for the Monitoring of Photochemical Air Pollutants. [S.l.]: US Environmental Protection Agency, Office of Air, Noise, and Radiation, 1978.
MLA-Zitierstil (9. Ausg.)Ludwig, F. L., und E. Shelar. Site Selection for the Monitoring of Photochemical Air Pollutants. US Environmental Protection Agency, Office of Air, Noise, and Radiation, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.