Cita APA (7th ed.)
ebrary, Inc, Syed, M. H., & Khan, M. M. (2008). Encyclopaedia of global warming. Himalaya Books Pvt. Ltd..
Cita Chicago (17th ed.)
ebrary, Inc, M. H. Syed, i M. M. Khan. Encyclopaedia of Global Warming. Mumbai: Himalaya Books Pvt. Ltd., 2008.
Cita MLA (9th ed.)
ebrary, Inc, et al. Encyclopaedia of Global Warming. Himalaya Books Pvt. Ltd., 2008.
Atenció: Aquestes cites poden no estar 100% correctes.