White, Robert W., author
Wiley, 1981
Buku Teks
Comer, Ronald J
W.H. Freeman, 1998
Multimedia
Nolen-Hoeksema, Susan, author
McGraw-Hill, 2007
Multimedia
Nolen-Hoeksema, Susan, author
McGraw-Hill, 2001
Buku Teks
Nolen-Hoeksema, Susan, author
McGraw-Hill, 2004
Buku Teks