Wagner, W. (2011). Groundwater in the Arab Middle East. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-19351-4
Chicago Style (17th ed.) ZitazioaWagner, Wolfgang. Groundwater in the Arab Middle East. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. https://doi.org/10.1007/978-3-642-19351-4.
MLA (9th ed.) ZitazioaWagner, Wolfgang. Groundwater in the Arab Middle East. Springer Berlin Heidelberg, 2011. https://doi.org/10.1007/978-3-642-19351-4.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.