Richardson, D. L. (1994). Hydrogeology and analysis of the ground water flow system of the Eastern shore, Virginia. US Geological Survey, Map Distribution.
Chicago-Zitierstil (17. Ausg.)Richardson, Donna L. Hydrogeology and Analysis of the Ground Water Flow System of the Eastern Shore, Virginia. Denver, CO: US Geological Survey, Map Distribution, 1994.
MLA-Zitierstil (9. Ausg.)Richardson, Donna L. Hydrogeology and Analysis of the Ground Water Flow System of the Eastern Shore, Virginia. US Geological Survey, Map Distribution, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.