APA

Bridge F., Bullen r., . (2005). The great powers and the european states system 1814-1914. : Person longman.

Chicago

Bridge F.R, Bullen roger, . 2005. The great powers and the european states system 1814-1914. : Person longman.

Harvard

Bridge F., Bullen r., . (2005). The great powers and the european states system 1814-1914. : Person longman.

MLA

Bridge F.R, Bullen roger, . The great powers and the european states system 1814-1914. : Person longman. 2005.