Dofka, Charline M.
Delmar Cengage Learning, 2013
Buku Teks
Fehrenbach, Margaret J
Saunders Elsevier, 2009
Multimedia
Darby, Michele Leonardi, 1949-
Elsevier Saunder, 2015
Buku Teks
Bird, Doni L.
Saunders Elsevier, 2009
Buku Teks
edited by George Eliades, David Watts and Theodore Eliades
Springer-Verlag, 2005
Buku Teks