Não informado. (1999). Annual report on Ground Water in Arizona. Arizona State Land Department.
Chicago-Zitierstil (17. Ausg.)Não informado. Annual Report on Ground Water in Arizona. Phoenix, Ariz: Arizona State Land Department, 1999.
MLA-Zitierstil (8. Ausg.)Não informado. Annual Report on Ground Water in Arizona. Arizona State Land Department, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.