Cita APA (7th ed.)

Brogan, P. (1992). World conflicts: Why and where they are happening (rev. edition.). Bloomsbury.

Cita Chicago (17th ed.)

Brogan, Patrick. World Conflicts: Why and Where They Are Happening. rev. edition. London: Bloomsbury, 1992.

Cita MLA (9th ed.)

Brogan, Patrick. World Conflicts: Why and Where They Are Happening. rev. edition. Bloomsbury, 1992.