Mussen, Paul H.
Prentice-Hall, 1969
Buku Teks
Mussen, Paul Henry
"Harper , 1956
Buku Teks
Santrock, John W., author
McGraw-Hill, 2001
Buku Teks
Nadelman, Lorraine, author
Lawrence Erlbaum, 2004
Buku Teks
Keenan, Thomas, author
Sage Publications, 2004
Buku Teks