Sully, F.K.
London: Butterworths, 1979
Buku Teks
V. Arkhangelsky ... [et al.] ; edited by M. Khovakh ; translated from the Russian by A. Troitsky and M. Samokhvalov
MIR Publishers, 1979
Buku Teks
Proyek Pengembangan Museum Nasional, 1980
Buku Referensi
Encyclopaedia Britannica Inc., 2002
Buku Referensi
Encyclopaedia Britannica Inc., 1998
Buku Referensi