Lahey, Benjamin B., author
McGraw-Hill, 2003
Buku Teks
LeUnes, Arnold, author
Psychology Press, 2008
Buku Teks
Morgan, Clifford T., author
McGraw-Hill, 1961
Buku Teks
Morris, Charles G., author
Prentice-Hall, 1976
Buku Teks
Morris, Charles G., author
Prentice-Hall, 2003
Buku Teks