Petitte, R. D. (2013). Civilization at risk: Seeds of strife. Newcastle upon Tyne, England: Cambridge Scholars Publishing.
Citación estilo ChicagoPetitte, Ron D.. Civilization At Risk: Seeds of Strife. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2013.
Cita MLAPetitte, Ron D.. Civilization At Risk: Seeds of Strife. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2013.
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