Lenk, John D., author
Prentice-Hall, 1981
Buku Referensi
Eckman, Donald P., author
Wiley, 1950
Buku Teks
editor, John G. Webster
CRC Press, 1999
Buku Referensi
Bolton, W. (William), 1933-, author
Longman Scientific & Technical, 1992
Buku Teks
Cooper, William D. (William David), author
Erlangga, 1993
Buku Teks