Braff, Allan J.
John Wiley & Sons, 1969
Buku Teks
Freeman, A. Myrick, 1936-, author
Harper & Row , 1983
Buku Teks
Varian, Hal R.
W.W. Norton, 1992
Buku Teks
Ferguson, C.E., author
Irwin, 1975
Buku Teks
Gould, John P., author
Richard D. Irwin Inc., c1980
Buku Teks