World Health Organization, 2003
Buku Teks
edited by Luit J. De Kok
Springer, 2012
eBooks
Fernando, H.J.S., editor
Springer, 2012
eBooks
by Working Group II, edited by W.J.McG. Tegart, G.W. Sheldon and D.C. Griffiths
Australian Government Publishing Service, 1990
Buku Teks
Reid, Stephen J.
Gordon and Breach Science Publishers, 2000
Buku Teks