by Karin Furrer, Melissa Gautschi, Stéphanie Hodara El Bez, Cecilia Peregrina, ALTENBURGER Newsletter, March 2013
by Florence Pastore, Plaidoyer 2/13, 38-44
by Viviana Sforza, La Rivista, 104/2013, n. 2
by Massimo Calderan, La Rivista, 104/2013, n. 1
by Katja Krech, Leonhard Toenz, Tax Notes Int’l, December 24, 2012, p. 1248