edited by D.R. Rutter, and Lyn Quine
Avebury, 1994
Buku Teks
Jens Damm
VS Verlag, 2012
eBooks
Alloy, Lauren B.
McGraw-Hill , 1999
Buku Teks
Feist, Gregory J.
McGraw-Hill, 2012
Buku Teks
edited by David M. Messick and Roderick M. Kramer
Lawrence Erlbaum Associates , 2005
Buku Teks