edited by Michael Grahame Moore, William G. Anderson
Lawrence Erlbaum Associates, 2003
Buku Teks
Mortimore, Tilly, author
Whurr Publishers, 2006
Buku Teks
William Jeynes
Springer, 2012
eBooks
Bates, Tony, 1939-, author
Routledge, 2005
Buku Teks
Ram, A. Ranjith, author
Springer, 2012
eBooks