Poltorak, A.
Foreign Languages House, 1959
Buku Teks
Skoryrev, P.
Moscow Foreign Languages Publishing House 1956
Buku Teks
Moskwa : Soviet Writer Publidhing House
Majalah, Jurnal, Buletin
Lamont, Corliss, author
Philosophical Library, 1952
Buku Teks
Alampiev, P., author
Foreign Languages Publishing House, 1958
Buku Teks