APA

(1996). Classical theories of international relations. Nueva York (Estados Unidos): St. Martin's Press.

Chicago

1996. Classical theories of international relations. Nueva York (Estados Unidos): St. Martin's Press.

Harvard

(1996). Classical theories of international relations. Nueva York (Estados Unidos): St. Martin's Press.

MLA

Classical theories of international relations. Nueva York (Estados Unidos): St. Martin's Press. 1996.