Lichty, Lester Clyde
McGraw-Hill book company, inc., 1939.
Buku Teks
Petrovsky, N., author
MIR Publisher, 196-
Buku Teks
Benson, Rowland S., author
Pergamon Press, 1983
Buku Teks
Maleev, Vladimir Leonidas, 1879-, author
McGraw-Hill, 1989
Buku Teks
Mathur, M.L., author
Dhanpat Rai and Sons, 1980
Buku Teks