Forsyth, Peter, David Gillen, Kai Hüschelrath, Hans-Martin Niemeier and Hartmut Wolf (2013), Liberalization in Aviation: Competition, Cooperation and Public Policy, Ashgate Publishing, Farnham
Forsyth, Peter, David Gillen, Kai Hüschelrath, Hans-Martin Niemeier and Hartmut Wolf (2013), Liberalization in Aviation: Competition, Cooperation and Public Policy, Ashgate Publishing, Farnham