Association of Ground Water Scientists and Engineers (U.S.), National Water Well Association, National Water Well Association. Technical Division, & National Ground Water Quality Symposium. Ground water. Water Well Journal Pub. Co.
Cita Chicago (17th ed.)Association of Ground Water Scientists and Engineers (U.S.), National Water Well Association, National Water Well Association. Technical Division, i National Ground Water Quality Symposium. Ground Water. Worthington, Ohio: Water Well Journal Pub. Co.
Cita MLA (8th ed.)Association of Ground Water Scientists and Engineers (U.S.), et al. Ground Water. Water Well Journal Pub. Co.
Atenció: Aquestes cites poden no estar 100% correctes.