Andreyev, Nikolay Dmitriyevich, author
Leningradskogo Universiteta, 1958
Buku Teks
teknik editor, Г. Шевченко; korektor, В. Л. Данилова, М. Б. Шварц
Detgiz, 1958
Buku Referensi
Krylova, Ol`ga Alekseyevna, author
Russkij Yazyk, 1976
Buku Teks
P`yankova, Tamara Mikhaylovna, author
Vyschaya Shkola, 1973
Buku Teks
P`yankova, Tamara Mikhaylovna, author
Vysshaya Shkola, 1973
Buku Referensi