Rangkuti, Freddy, author
Gramedia, 2002
Buku Teks
Lin, Lawrence, author
[Springer, ], 2012
eBooks
Shelton, Patrick J.
London : AN Aspen Publication, 2000,
Buku Teks
Steiber, Steven, author
American Hospital Publishing, 1990
Buku Referensi
Golding, E.W., author
Pitman Paperbacks, 1970
Buku Teks