Susser, Mervyn
Oxford University Press, 1973
Buku Teks
Duncan, David F.
Macmillan, 1988
Buku Teks
Christie, David
UNSW Press, 1997
Buku Teks
Rothman, Kenneth J., author
Oxford University Press, 2002
Buku Teks
Beaglehole, Robert, author
WHO, 1993
Buku Teks