Kužvart, Miloš
Elsevier, 1986
Buku Teks
Gilluly, James
W.H. Freeman, 1959
Buku Teks
Lange, Oktavii Konstantinovich, 1883-1975
Foreign Languages Publishing House , 196?
Buku Teks
Montgomery, Carla W.
Wm. C. Brown , 1989
Buku Teks
Rogers, John J.W.
Harper & Row, 1966
Buku Teks