Hiscock, G. (2012). Earth wars: The battle for global resources. John Wiley & Sons Singapore.
Cita Chicago Style (17a ed.)Hiscock, Geoff. Earth Wars: The Battle for Global Resources. Singapore ; Hoboken, N.J.: John Wiley & Sons Singapore, 2012.
Cita MLA (9a ed.)Hiscock, Geoff. Earth Wars: The Battle for Global Resources. John Wiley & Sons Singapore, 2012.
Precaución: Estas citas no son 100% exactas.