Beloshapkova, Vera Arsen`yevna
Prosveshhenie, 1967
Buku Referensi
Superanskaya, Aleksandra Vasilevna
Nauka, 1968
Buku Teks
Il`ina, N.Ye.
Nauka, 1980
Buku Referensi
Vasilevskaya, Yevgeniya Alekseyevna
Gosudarstvennoe Uchebno-Pedagogicheskoe Izdatel`stvo Ministerstva Prosveshheniya RSFSR, 1962
Buku Teks
Kozhin, Aleksandr Nikitovich
Prosvesshenie, 1969
Buku Referensi