Hursh, David W., author
Springer, 2011
eBooks
Englebardt, Sheila P., author
Mosby , 2002
Buku Teks
Mclaughnin, Curtis P., author
Jones & Bartlett Learning, 2015
Buku Teks
Fox, Frank W., author
Kendall/Hunt , 1990
Buku Teks
Walsh, Anthony, 1941-, author
Sage Publications, , 2007
Buku Teks