Viana. (2013). Urban Air Quality in Europe (1.). Springer Berlin Heidelberg.
Cita Chicago (17th ed.)Viana. Urban Air Quality in Europe. 1. Springer Berlin Heidelberg, 2013.
Cita MLA (8th ed.)Viana. Urban Air Quality in Europe. 1. Springer Berlin Heidelberg, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.