edit by Brenda Freshman, Louis Rubino, Yolanda (Linda) Reid Chassiakos
Jones and Bartlett, 2010
Buku Teks
Fry, John, 1922-
MTP Press , 1978
Buku Teks
World Health Organization
World Health Organization, 1990
Buku Teks
Jacobs, Philip
Aspen Publication, 1987
Buku Teks
Baker, Judith J., author
Jones and Bartlett Publishers, 2011
Buku Teks