Shubin, Sergey. «THE WORKDAY THAT HELPED TO SAVE THE SOVIET KOLKHOZES I HAVE MANY COUPLETS TO SING, AND EVEN MORE WORKDAYS (FROM THE REPERTOIRE OF M. MORDASOVA, A SOLOIST OF THE VORONEZH PEOPLE’S CHOIR, THE USSR PEOPLE’S ARTIST)». Revista Inclusiones (enero 7, 2020): 01-09. Accedido febrero 4, 2023. https://revistainclusiones.org/index.php/inclu/article/view/1263.