Shuldener, Henry L., author
John Wiley & Sons, 1981
Buku Teks
Kut, David
Pergamon Press, 1970
Buku Teks
Church, James C., author
McGraw-Hill, 1979
Buku Referensi
Lechner, Norbert, author
John Wiley & Sons, 1991
Buku Teks
Letherman, K.M., author
Pergamon Press, 1981
Buku Teks