Jens Damm
VS Verlag, 2012
eBooks
edited by Pieter J.D. Drenth, Joseph A. Sergeant, Roelf J. Takens
John Wiley & Sons, 1990
Buku Teks
edited by D.R. Rutter, and Lyn Quine
Avebury, 1994
Buku Teks
Andreas Vassilopoulos, Niki Evelpidou, Oliver Bender, Alenka Krek, editor
CRC Press, 2009
Buku Teks
Capone, Giovanna
University of Queensland Press , 1991
Buku Teks