APA

Bozkov A. D., Bozhkov A., . (1977). The San Clemente basilica in Rome and the portrayals of Cyril and Methodius in old bulgarian art. [София]: Sofia Press.

Chicago

Bozkov Atanas Dimitrov, Bozhkov Atanas, . 1977. The San Clemente basilica in Rome and the portrayals of Cyril and Methodius in old bulgarian art. [София]: Sofia Press.

Harvard

Bozkov A. D., Bozhkov A., . (1977). The San Clemente basilica in Rome and the portrayals of Cyril and Methodius in old bulgarian art. [София]: Sofia Press.

MLA

Bozkov Atanas Dimitrov, Bozhkov Atanas, . The San Clemente basilica in Rome and the portrayals of Cyril and Methodius in old bulgarian art. [София]: Sofia Press. 1977.