Beck, Raymond W., author
Burgess, 1976
Buku Teks
Beck, Raymond W., author
Burgess, 1977
Buku Teks
Greenfield, Sydney S.
Burgess Publishing, 1998
Buku Teks
Ottawa The minister of health 1999 ,
Buku Teks
Rieder, Hans L.
International Union Against Tuberculosis & Lung Disease, 1999
Buku Teks