National Ground Water Association & Johnson, P. C. (2005). Ground water monitoring & remediation: Journal of the Association of Ground Water Scientists and Engineers, a Division of the National Ground Water Association : a National Ground Water Association publication. Blackwell Publishing.
Style de citation Chicago (17e éd.)National Ground Water Association et Paul C. Johnson. Ground Water Monitoring & Remediation: Journal of the Association of Ground Water Scientists and Engineers, a Division of the National Ground Water Association : A National Ground Water Association Publication. Oxford: Blackwell Publishing, 2005.
Style de citation MLA (8e éd.)National Ground Water Association et Paul C. Johnson. Ground Water Monitoring & Remediation: Journal of the Association of Ground Water Scientists and Engineers, a Division of the National Ground Water Association : A National Ground Water Association Publication. Blackwell Publishing, 2005.