Butterworth-Heinemann, 1993
Buku Teks
Shepherd, Elizabeth J., 1960-
Facet Publishing, 2003
Buku Referensi
Callahan, Robert E.
Charles E. Merrill, 1988
Buku Teks
United States of American Department of health Education and Welfare
US. Department of Health, 1976
Buku Teks
edited by Greg N. Gregoriou
Academic Press, 2013
eBooks