Walker, Terry M., author
Allyn and Bacon, 1972
Buku Teks
Carole Kenner, Judy Wright Lott
Saunders Elsevier, 2007
Buku Teks
Cornett, Sandra J., author
Wiley Medical, 1984
Buku Teks
Greenwood, William T., author
South Western, 1965
Buku Teks
Chase F. Robinson.
Oxford University Press, 2001
Buku Teks