APA

Carr E. H., Cox M., . (2001). The twenty years' crisis, 1919-1939 an introduction to the study of international relations. Houndmills (Hampshire, Inglaterra): Palgrave.

Chicago

Carr Edward Hallett, Cox Michael, . 2001. The twenty years' crisis, 1919-1939 an introduction to the study of international relations. Houndmills (Hampshire, Inglaterra): Palgrave.

Harvard

Carr E. H., Cox M., . (2001). The twenty years' crisis, 1919-1939 an introduction to the study of international relations. Houndmills (Hampshire, Inglaterra): Palgrave.

MLA

Carr Edward Hallett, Cox Michael, . The twenty years' crisis, 1919-1939 an introduction to the study of international relations. Houndmills (Hampshire, Inglaterra): Palgrave. 2001.