edited by Paul M. Wortman
Sage, 1981
Buku Teks
Shi, Leiyu, author
Delmar Cengage Learning, 2008
Buku Teks
Kessner, David M., author
Institute of Medicine , 1973
Buku Teks
Lewis, James B.
Jones and Bartlett Publishers, 2011
Buku Teks
Ovretveit, John, author
Open University Press, 2002
Buku Teks