Sufrin, Sidney C.
Syracuse University, 1964
Buku Teks
Waters, Frank, author
University Of Queensland Press, 1978
Buku Teks
Martin, Ross M., author
Penguin Books, 1980
Buku Teks
CRC Press, 2007
Buku Teks
Gopalan, C., author
World Health Organization, 1994
Buku Teks