Hickman, Frances M., author
Mosby, 1974
Buku Teks
Elliott, David J., author
McGraw-Hill, 1985
Buku Teks
Hinwood, Barry G., author
Bailliere Tindal , 1981
Buku Teks
Hill, Charles W. L., author
Houghton Miffinn, 1989
Buku Teks
Schiffman, Harvey Richard, author
John Wiley & Sons, 1982
Buku Teks