edited by David Loewenstein, James Grantham Turner
Cambridge University Press, 1990
Buku Teks
Dwyer, Rachel, author
Curzon Press, 2001
Buku Teks
World Health Organization, [date of publication not identified]
Buku Teks
Barreneche, Raul A., author
Rizzoli, 2003
Buku Teks
Reschke, Cynthia, author
Te Neues, 2003
Buku Teks