Goldsmith, Seth B., author
An Aspen, 1981
Buku Teks
Levey, Samuel, author
J.B. Lippincott, 1984
Buku Teks
Paul F. A. Van Look, H. K. Heggenhougen, Stella R. Quah, editor
Elsevier, 2011
Buku Teks
Roman D. Jovey, editor
Health Care and Financial, 2002
Buku Teks
Hamlyn Publishing Group Limited, 1980
Buku Teks