APA (7e ed.) Bronvermelding

Pellegrino Joan L. & Energetics Incorporated. Energy and environmental profile of the U.S. glass industry.

Chicago (17e ed.) Bronvermelding

Pellegrino Joan L. en Energetics Incorporated. Energy and Environmental Profile of the U.S. Glass Industry.

MLA (9e ed.) Bronvermelding

Pellegrino Joan L. en Energetics Incorporated. Energy and Environmental Profile of the U.S. Glass Industry.

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