World Health Organization; general editor, Godfrey Gunatilleke, Aleya El Bindari Hammad
World Health Organization, 1977
Buku Teks
Moran, Lord
Houghton Mifflin, 1967
Buku Teks
Kennedy, John F. (John Fitzgerald), 1917-1963, author
Harper & Row, 1955
Buku Teks
Terraine, John
Macmillan, 1985
Buku Teks
Tillich, Paul
Nisbet, 1952
Buku Teks