Dyfyniad APA

Popa, M. E., Vollmer, M. K., Jordan, A., Brand, W. A., Pathirana, S. L., Rothe, M., & Röckmann, T. (2014). Vehicle emissions of greenhouse gases and related tracers from a tunnel study: CO : CO<sub>2</sub>, N<sub>2</sub>O : CO<sub>2</sub>, CH<sub>4</sub> : CO<sub>2</sub>, O<sub>2</sub> : CO<sub>2</sub> ratios, and the stable isotopes <sup>13</sup>C and <sup>18</sup>O in CO<sub>2</sub> and CO. Copernicus Publications.

Dyfyniad Arddull Chicago

Popa, M. E., M. K. Vollmer, A. Jordan, W. A. Brand, S. L. Pathirana, M. Rothe, and T. Röckmann. Vehicle Emissions of Greenhouse Gases and Related Tracers from a Tunnel Study: CO : CO<sub>2</sub>, N<sub>2</sub>O : CO<sub>2</sub>, CH<sub>4</sub> : CO<sub>2</sub>, O<sub>2</sub> : CO<sub>2</sub> Ratios, and the Stable Isotopes <sup>13</sup>C and <sup>18</sup>O in CO<sub>2</sub> and CO. Copernicus Publications, 2014.

Dyfyniad MLA

Popa, M. E., et al. Vehicle Emissions of Greenhouse Gases and Related Tracers from a Tunnel Study: CO : CO<sub>2</sub>, N<sub>2</sub>O : CO<sub>2</sub>, CH<sub>4</sub> : CO<sub>2</sub>, O<sub>2</sub> : CO<sub>2</sub> Ratios, and the Stable Isotopes <sup>13</sup>C and <sup>18</sup>O in CO<sub>2</sub> and CO. Copernicus Publications, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.