Baron, Robert A., author
Pearson , 2014
Buku Teks
DeLamater, John D., author
Colorado Westview Press, 2014
Buku Teks
Myers, David G., author
McGraw-Hill Education, 2017
Buku Teks
Baron, Robert A., author
Allyn and Bacon , 1997
Buku Teks
Myers, David G., author
McGraw-Hill, 2005
Buku Teks