APA način citiranja

Singh,M.P. (2004). Natural Resources and Renewable Energy.

Čikaški stil citiranja

Singh,M.P. Natural Resources and Renewable Energy. New Delhi:A.P.H.Publishing, 2004.

MLA način citiranja

Singh,M.P. Natural Resources and Renewable Energy. 2004.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.