Culbertson, Robert G.
Waveland Press, Inc., 1984
Buku Teks
Weston, Paul B., author
Prentice-Hall, 1977
Buku Teks
Bohm, Robert M., author
McGraw-Hill , 2002
Buku Teks
Bohm, Robert M., author
McGraw-Hill, 2008
Buku Teks
Bohm, Robert M., author
McGraw-Hill, 2002
Buku Teks