Cita APA

United Center for Research and Training in History (Sofia) & United Center for Research and Training in History. (1993). Bulgarian historical review: Research quarterly = Revue bulgare d'histoire. Publ. House of the Bulg. Acad. of Sciences.

Citación estilo Chicago

United Center for Research and Training in History (Sofia) y United Center for Research and Training in History. Bulgarian Historical Review: Research Quarterly = Revue Bulgare D'histoire. Sofia: Publ. House of the Bulg. Acad. of Sciences, 1993.

Cita MLA

United Center for Research and Training in History (Sofia) y United Center for Research and Training in History. Bulgarian Historical Review: Research Quarterly = Revue Bulgare D'histoire. Publ. House of the Bulg. Acad. of Sciences, 1993.