Harper and Brothers , 1952
Buku Referensi
Ab. Shukor b. Md. Razali, author
1996
UI - Skripsi (Membership)
Sandra Marnamo SM, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1992
UI - Skripsi (Membership)
Gertsen, Aleksandr Ivanovich , author
Pravda, 1983
Buku Teks
Lermontov, Mikhail Yurjevich, author
Pravda, 1990
Buku Teks