Pagano, Michael P.
Jones and Bartlett Publishers, 2010
Buku Teks
edited by Dawn O.Braithwaite; Julia T. Wood
Wadsworth, 1999
Buku Teks
Stratton, Robert D., editor
Springer, 2012
eBooks
Ball, Martin J.
Lawrence Erlbaum Associates, 2005
Buku Teks
Fogle, Paul T.
Delmer, 2013
Buku Teks