Bondarko, Aleksandr Vladimirovich, author
Nauk, 1971
Buku Referensi
Совета Министров ТССР; editor: Л.Л. Биктимиров, teknik editor : Р.У. Камал; korektor; Л.М. Самуйлина
Kazanskogo Universiteta, 1978
Buku Teks
Ivanovna, Astaf`yeva Nina, author
Vyshejshaya Shkola, 1973
Buku Teks
Kryuchkov, S. Ye., author
Prosvesshenie, 1964
Buku Referensi
Belyy, Andrey, author
Sovetskij Pisatel, 1966
Buku Teks