Murray, Sharon Smith, author
Elsevier Sanders, 2014
Buku Teks
Partow, Donna
Zondervan Publishing house, 1998
Buku Teks
Frederick A. Praeger, 1959
Buku Teks
Carlson, Karen J., author
Harvard Universiy press , 1996
Buku Teks
Potter, Patricia A., author
Mosby , 1998
Buku Teks