Bloomfield, Molly M., author
John Wiley & Sons, 1996
Buku Teks
Smith, Janice G., author
McGraw-Hill, 2015
Buku Teks
McMurry, John, author
Prentice-Hall, 1992
Buku Teks
Timberlake, Karen C., author
Pearson Benjamin Cummings, 2007
Buku Teks
Gail A. Steehler, editor
McGraw-Hill, 2009
Buku Teks