World Health Organization, 2004
Buku Teks
edited by Selma J. Mushkin, David W. Dunlop
Pergamon Press , 1980
Buku Teks
edited by Paul Harrison
Oxford University Press, 1996
Buku Teks
Berridge, Virginia, author
McGraw-Hill, 2011
Buku Teks
Rosen, George, author
The Johns Hopkins University Press, 1993
Buku Teks