Hnatek, Eugene R., author
John Wiley & Sons, 1977
Buku Referensi
Triebel, Walter A., author
Prentice-Hall, 1982
Buku Referensi
Cardon, A., author
Pergamon International Information Corp. ; Oxford [Oxfordshire] ; New York : Pergamon Press, 1984
Buku Teks
Yang, Edward S., author
McGraw-HIll, 1978
Buku Teks
Luecke, Gerald
McGraw-Hill, 1973
Buku Teks