Nelson, Grant S., author
West Publishing, 1988
Buku Teks
Barrett, Margreth
Emanuel Law Outlines, Inc., 1991
Buku Teks
American College of Medical Quality ; edited by Prathibha Varkey
Jones and Bartlett Publishers, 2010
Buku Teks
Lowe, G.B., author
South-Western Publishing, 1983
Buku Teks
Westwood, John
Donnington Press , 1971
Buku Teks