Routledge, 1998
Buku Teks
Lenin, Vladimir I., author
Foreign Languages Publishing House, 1963
Buku Teks
Koblyakov, I. K.
Progress, 1976
Buku Teks
edited by Nigel G. Foster
Blackstone Press Limited, 1990
Buku Referensi
Foreign Languages Publishing House, 1959
Buku Teks