Rathus, Spencer A.
Wadsworth and Cengage Learning, 2012
Buku Teks
Comer, Ronald
John Wiley & sons Inc , 2013
Buku Teks
Huffman, Karen
John Wiley & Sons, 1997
Buku Teks
Myers, David G.
Worth Publishers, 2015
Buku Teks
Passer, Michael W.
McGraw-Hill, 2007
Buku Teks