Nelson, Gideon E., author
John Wiley & Sons, 1984
Buku Teks
Dolphin, Warren D., author
McGraw-HIll, 2002
Buku Teks
Davis, Elisabeth B.
Marcel Dekker, 1981
Buku Referensi
Miller, Charles B., 1940-, (author.)
NJ Wiley-Blackwel, 2012
Buku Teks
Young, Clarence W., author
Harper & Brothers, 1956
Buku Teks