Dyfyniad APA
Goetz, R., & Berga, D. (2006). Frontiers in Water Resource Economics. Springer US. https://doi.org/10.1007/0-387-30056-2
Dyfyniad Arddull Chicago
Goetz, Renan-Ulrich, and Dolors Berga. Frontiers in Water Resource Economics. Boston, MA: Springer US, 2006. https://doi.org/10.1007/0-387-30056-2.
Dyfyniad MLA
Goetz, Renan-Ulrich, and Dolors Berga. Frontiers in Water Resource Economics. Springer US, 2006. https://doi.org/10.1007/0-387-30056-2.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.