APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

Upozorenje: Ovi citati možda nisu uvijek 100% točni.