Armstrong, Amatullah
Ferozsons, 2001
Buku Referensi
Dofka, Charline M.
Delmar Cengage Learning, 2007
Buku Teks SO
Moini, Jahangir
Delmar Cengage Learning, 2010
Buku Teks SO
edited by Burgess L. Gordon
American Hospital Association, 1966
Buku Teks SO
Frenay, Agnes Clare
The catholic health association of the united states , 1984
Buku Teks