एपीए उद्धरण

Roberts, I. (2003). The second gasoline war and how we can prevent the third. BMJ Publishing Group Ltd.

शिकागो स्टाइल उद्धरण

Roberts, Ian. The Second Gasoline War and How We Can Prevent the Third. BMJ Publishing Group Ltd, 2003.

एमएलए उद्धरण

Roberts, Ian. The Second Gasoline War and How We Can Prevent the Third. BMJ Publishing Group Ltd, 2003.