Nunz, Gregory J.
McGraw-Hill, 1967
Buku Teks
chief editor, Walter Ledermann; edtor, Steven Vajda
John Wiley & Sons, 1980
Buku Referensi
Mignotte, Maurice
Springer-Verlag, 1992
Buku Teks SO
Grob, Bernard
Glencoe, 1992
Buku Teks
Juszli, Frank L.
Prentice-Hall, 1967
Buku Teks SO