Não informado. (1999). Annual report on Ground Water in Arizona. Arizona State Land Department.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report on Ground Water in Arizona. Phoenix, Ariz: Arizona State Land Department, 1999.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report on Ground Water in Arizona. Arizona State Land Department, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.