Blackburn, John D., author
Richard D. Irwin , 1985
Buku Teks
Watson, Donald Stevenson, author
Houghton Miffiln, 1960
Buku Teks
Brody, David Eliot, author
D.C. Health, 1986
Buku Teks
Dunfee, Thomnas W., author
Prentice-Hall, 1983
Buku Teks
Moore, Gary A., author
South-Western Publishing, 1987
Buku Teks