21st Century Watershed Technology: Improving Water Quality and Env Conference Proceedings, 21-24 February 2010, Universidad EARTH, Costa Rica (71 papers). ASABE.
Chicago-Zitierstil (17. Ausg.)21st Century Watershed Technology: Improving Water Quality and Env Conference Proceedings, 21-24 February 2010, Universidad EARTH, Costa Rica (71 Papers). ASABE.
MLA-Zitierstil (8. Ausg.)21st Century Watershed Technology: Improving Water Quality and Env Conference Proceedings, 21-24 February 2010, Universidad EARTH, Costa Rica (71 Papers). ASABE.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.