Friedman, Lee S.
McGraw-Hill , 1985
Buku Teks
Freeman, A. Myrick, 1936-, author
Harper & Row , 1983
Buku Teks
Clarkson, Kenneth W.
McGraw-Hill , 1982
Buku Teks
Varian, Hal R.
W.W. Norton, 1992
Buku Teks
Braff, Allan J.
John Wiley & Sons, 1969
Buku Teks