APA (7th ed.) Citation

Norsk Hydro. (1992). PVC and the environment. Norsk Hydro.

Chicago Style (17th ed.) Citation

Norsk Hydro. PVC and the Environment. Oslo: Norsk Hydro, 1992.

MLA (9th ed.) Citation

Norsk Hydro. PVC and the Environment. Norsk Hydro, 1992.

Warning: These citations may not always be 100% accurate.