APA (7e ed.) Bronvermelding

Margolis Nancy, Brindle Ross, & U.S. Department of Energy. Energy and environmental profile of the U.S. iron and steel industry.

Chicago (17e ed.) Bronvermelding

Margolis Nancy, Brindle Ross, en U.S. Department of Energy. Energy and Environmental Profile of the U.S. Iron and Steel Industry.

MLA (9e ed.) Bronvermelding

Margolis Nancy, et al. Energy and Environmental Profile of the U.S. Iron and Steel Industry.

Let op: Deze citaties zijn niet altijd 100% accuraat.