APA

Crampton R. J., . (1987). A short history of modern Bulgaria. Cambridge [u.a.]: Cambridge Univ. Press.

Chicago

Crampton Richard J, . 1987. A short history of modern Bulgaria. Cambridge [u.a.]: Cambridge Univ. Press.

Harvard

Crampton R. J., . (1987). A short history of modern Bulgaria. Cambridge [u.a.]: Cambridge Univ. Press.

MLA

Crampton Richard J, . A short history of modern Bulgaria. Cambridge [u.a.]: Cambridge Univ. Press. 1987.