(1989). Who's who in the socialist countries of Europe: A biographical encyclopedia of more than 12,600 leading personalities in Albania, Bulgaria, Czechoslovakia, German Democratic Republic, Hungary, Poland, Romania, Yugoslavia. K. G. Saur.
Cytowanie według stylu Chicago (wyd. 17)Who's Who in the Socialist Countries of Europe: A Biographical Encyclopedia of More than 12,600 Leading Personalities in Albania, Bulgaria, Czechoslovakia, German Democratic Republic, Hungary, Poland, Romania, Yugoslavia. München: K. G. Saur, 1989.
Cytowanie według stylu MLA (wyd. 9)Who's Who in the Socialist Countries of Europe: A Biographical Encyclopedia of More than 12,600 Leading Personalities in Albania, Bulgaria, Czechoslovakia, German Democratic Republic, Hungary, Poland, Romania, Yugoslavia. K. G. Saur, 1989.