एपीए उद्धरण

Khalil, M. A. K. (2000). Atmospheric methane: Its role in the global environment. Springer- Verlag Berlin Heidelberg.

शिकागो स्टाइल उद्धरण

Khalil, Mohammad Aslam Khan. Atmospheric Methane: Its Role in the Global Environment. Germany: Springer- Verlag Berlin Heidelberg, 2000.

एमएलए उद्धरण

Khalil, Mohammad Aslam Khan. Atmospheric Methane: Its Role in the Global Environment. Springer- Verlag Berlin Heidelberg, 2000.