एपीए उद्धरण

 Clews, R. (2016).  Project finance for the international petroleum industry.  Elsevier Academic Press.

शिकागो स्टाइल उद्धरण

 Clews, Robert.  Project Finance for the International Petroleum Industry.  Elsevier Academic Press, 2016.

एमएलए उद्धरण

 Clews, Robert.  Project Finance for the International Petroleum Industry.  Elsevier Academic Press, 2016.