एपीए उद्धरण

Olla, P. (2015). Global sustainable development and renewable energy systems. Information Science Reference.

शिकागो स्टाइल उद्धरण

Olla, Phillip. Global Sustainable Development and Renewable Energy Systems. Information Science Reference, 2015.

एमएलए उद्धरण

Olla, Phillip. Global Sustainable Development and Renewable Energy Systems. Information Science Reference, 2015.