Vinson, Betsy Partin
Delmar Cengage Learning, 2012
Buku Teks
Gilliam, Ronald B.
Jones and Bartlett Publishers, 2011
Multimedia
edited by Jack S. Damico, Nicole Muller and Martin J. Ball
Wiley-Blackwell, 2013
Buku Teks
Battle, Dolores E.
Elsevier Mosby, 2012
Buku Teks
Cambridge University Press, 2009
eBooks