Roemer, Milton I., author
Health Administration Press, 1976
Buku Teks
Greenwood Press, 1984
Buku Teks
Fiadjoe, Albert K.
Cavendish Publ Ltd, UK, 2004
Buku Teks
edited by Andrew Schmitz, P. Lynn Kennedy, Troy G. Schmitz
Emerald, 2016
eBooks
Amena Mohsin, author
YJP Press, 2016
Artikel Jurnal