Rishel, James B.
Mcgraw-Hill, 2002
Buku Referensi
Church, Austin
Robert E. Krieger Publishing Company, 1972
Buku Teks
Herold, K.E.
CRC Press, 1996
Buku Teks
edited by Kenneth J. McNaughton
McGraw-Hill , 1984
Buku Teks
Wilson, K. C.
Elsevier Applied Science, 1992
Buku Teks