Papalia, Diane E., author
McGraw-Hill, 1987
Buku Teks
Santrock, John W., author
McGraw-Hill, 2005
Buku Teks
Santrock, John W., author
Worth Publishers, 1998
Buku Teks
Wortman, Camille B., author
Alfred A. knoff, 1985
Buku Teks
Wortman, Camille B., author
McGraw-Hill, 1992
Buku Teks