Blackburn, John D.
Richard D. Irwin , 1985
Buku Teks
Dunfee, Thomnas W.
Prentice-Hall, 1983
Buku Teks
Brody, David Eliot
D.C. Health, 1986
Buku Teks
Moore, Gary A.
South-Western Publishing, 1987
Buku Teks
Butler, Henry N.
South-Western Publishing, 1987
Buku Teks