APA

Crampton R. J., . (1994). Eastern Europe in the twentieth century. London [u.a.]: Routledge.

Chicago

Crampton Richard J, . 1994. Eastern Europe in the twentieth century. London [u.a.]: Routledge.

Harvard

Crampton R. J., . (1994). Eastern Europe in the twentieth century. London [u.a.]: Routledge.

MLA

Crampton Richard J, . Eastern Europe in the twentieth century. London [u.a.]: Routledge. 1994.