एपीए उद्धरण

Gertsakis, J. A., & Lewis, H. A. (2001). Design + environment: A global guide to designing greener goods.

शिकागो स्टाइल उद्धरण

Gertsakis, John; Author, और Helen; Author Lewis. Design + Environment: A Global Guide to Designing Greener Goods. Sheffield, Greenleaf Publishing Limited, 2001.

एमएलए उद्धरण

Gertsakis, John; Author, और Helen; Author Lewis. Design + Environment: A Global Guide to Designing Greener Goods. 2001.