edited by Michael Grahame Moore, William G. Anderson
Lawrence Erlbaum Associates, 2003
Buku Teks
Bates, Tony, 1939-
Routledge, 2005
Buku Teks
Ram, A. Ranjith
Springer, 2012
eBooks
edited by Leslie Moller and Jason B. Huett
Springer, 2012
eBooks
Artikel Jurnal