Krauel, Jacobo, author
Linksbooks, [Date of publication not identified]
Buku Referensi
Geneva, WHO, 1995.,
Buku Teks
editor, NW Chaplin
The Ynstitute of Health Services Management, 1989
Buku Referensi
Redstone, Louis G., author
McGraw-Hill, 1978
Buku Teks
NHS Estates, 1995
Buku Teks