Art bulgare contemporain.

MLA

Gilsoul, Guy, and Svetlin Russev. Art Bulgare Contemporain. Sofia: Hemus, 1990.

APA

Gilsoul, G., & Russev, S. (1990). Art bulgare contemporain. Sofia: Hemus.

Chicago

Gilsoul, Guy, and Svetlin Russev. Art Bulgare Contemporain. Sofia: Hemus, 1990.