Rogers, Wendy Stainton, author
McGraw-Hill , 2011
Buku Teks
Baron, Robert A., author
Pearson , 2014
Buku Teks
Baron, Robert A., author
Allyn and Bacon , 1997
Buku Teks
Myers, David G., author
McGraw-Hill, 2005
Buku Teks
Taylor, Shelley E., author
Pearson-Prentice Hall, 2006
Buku Teks