(1985). Proceedings of the NWWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration. National Water Well Association.
Cita Chicago (17th ed.)Proceedings of the NWWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration. Dublin, Ohio: National Water Well Association, 1985.
Cita MLA (9th ed.)Proceedings of the NWWA/API Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection and Restoration. National Water Well Association, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.