Maekawa, Koichi, author
Taylor and Francis , 2009
Buku Teks
Little, Todd D, author
The Guilford Press, 2013
Buku Teks
Kline, Rex B., author
The Guiford Press, 2005
Buku Teks
Schumacker, Randall E, author
Routledge, 2016
Buku Teks
Hoit, Marc, author
Prentice-Hall, 1995
Buku Teks