Peters, William C.
John Wiley & Sons, 1987
Buku Teks
Kužvart, Miloš, author
Elsevier, 1986
Buku Teks
Gilluly, James, author
W.H. Freeman, 1959
Buku Teks
Lange, Oktavii Konstantinovich, 1883-1975, author
Foreign Languages Publishing House , 196?
Buku Teks
Montgomery, Carla W., author
Wm. C. Brown , 1989
Buku Teks