APA (7. basım) Alıntı

U.S. Environmental Protection Agency. Profile of the petroleum refining industry.

Chicago Style (17. basım) Atıf

U.S. Environmental Protection Agency. Profile of the Petroleum Refining Industry.

MLA (9th ed.) Atıf

U.S. Environmental Protection Agency. Profile of the Petroleum Refining Industry.

Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..