McBeth, Adam, author
Oxford Univ Press, 2011
Buku Teks
World Health Organization, 2003
Buku Teks
P. R. Gandhi, editor
Blackstone Press limited, 2000
Buku Teks
Buergenthal, Thomas
St. Paul Minn, 1988
Buku Teks
Smith, Rhona K., author
Routledge, 2010
Buku Teks