Davies, Charlotte Aull, author
Routledge, 1999
Buku Teks
VanderMey, Randal, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Jenkins, Sue, author
Churchill Livingstone, 1998
Buku Teks
Sokol, Daniel K.
Springer, 2012
eBooks
Loughary, John W., author
McGraw-Hill, 1979
Buku Teks