Brogan, P. (1992). World conflicts: Why and where they are happening (rev. edition.). Bloomsbury.
Cita Chicago Style (17a ed.)Brogan, Patrick. World Conflicts: Why and Where They Are Happening. rev. edition. London: Bloomsbury, 1992.
Cita MLA (9a ed.)Brogan, Patrick. World Conflicts: Why and Where They Are Happening. rev. edition. Bloomsbury, 1992.
Precaución: Estas citas no son 100% exactas.