APA

Joll J., . (1985). The origins of the First World War. New York u.a: Longman.

Chicago

Joll James, . 1985. The origins of the First World War. New York u.a: Longman.

Harvard

Joll J., . (1985). The origins of the First World War. New York u.a: Longman.

MLA

Joll James, . The origins of the First World War. New York u.a: Longman. 1985.