Gormally, John, author
Prentice-Hall, 2000
Buku Teks
Stark, Edward C., author
Glencoe, 1979
Buku Teks
Chang, Raymond, author
McGraw-Hill, 1996
Buku Teks
Wright, D. Franklin, author
D.C. Health, 1990
Buku Teks
Bradley, Teresa, author
John Wiley & Sons, 2002
Buku Teks