Bond, John
Churchill Livinstone , 1994
Buku Teks
Illsley, Raymond
Nuffield provincial Hospitals Trust, 1980
Buku Teks
edited by Rosalind S. Miller, and Helen Rehr
Prentice-Hall, 1983
Buku Teks
Hicks, Lanis L., author
Jones & Bartlett Learning, 2014
Buku Teks
Weitz, Rose, author
Wadsworth and Cengage Learning, 2013
Buku Teks