(1970). Soviet fine arts. Progress.
Chicago Style (17th ed.) ZitazioaSoviet Fine Arts. Moscow: Progress, 1970.
MLA (9th ed.) ZitazioaSoviet Fine Arts. Progress, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1970). Soviet fine arts. Progress.
Chicago Style (17th ed.) ZitazioaSoviet Fine Arts. Moscow: Progress, 1970.
MLA (9th ed.) ZitazioaSoviet Fine Arts. Progress, 1970.