Roper, Nancy
Churchill Livingstone , 1976
Buku Teks
Tate, Philip
McGraw-Hill, 2012
Buku Teks
Patton, Kevin T., author
Elsevier Mosby, 2013
Buku Teks
Waugh, Anne, author
Churchill Livingstone , 2006
Buku Teks
Burke, Shirley R., author
John Wiley & Sons, 1980
Buku Teks