APA-referens (7:e uppl.)

Environmental Protection Agency. Five-year review report for the sand springs petrochemical complex superfund site. Sand springs, Tulsa county, Oklahoma.

Chicago-referens (17:e uppl.)

Environmental Protection Agency. Five-year Review Report for the Sand Springs Petrochemical Complex Superfund Site. Sand Springs, Tulsa County, Oklahoma.

MLA-referens (9:e uppl.)

Environmental Protection Agency. Five-year Review Report for the Sand Springs Petrochemical Complex Superfund Site. Sand Springs, Tulsa County, Oklahoma.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.