Santrock, John W., author
Erlangga, 2012
Buku Teks
Santrock, John W., author
McGraw-Hill, 2006
Buku Teks
Newman, Barbara M., author
Thomson and Wadsworth, 2006
Buku Teks
Papalia, Diane E., author
McGraw-Hill, 2001
Buku Teks
Craig, Grace J., author
Prentice-Hall, 1986
Buku Teks