World Health Organization, 1988
Buku Teks
Reyes, Gilbert, editor
Praeger , 2006
Buku Teks
edited by Davidson H. Hamer, Jeffrey K Griffiths
Academic Press, 2010
Buku Teks
Samuel Kotz, Norman L. Johnson, editors-in-chief
John Wiley & Sons, Inc., 1982
Buku Referensi
World Health Organization, 1978
Buku Teks