(原始内容存档于2014-12-05). Aussie filmmaker's shocking sugar experiment. The West Australian (SevenWestMedia). 19 November 2014 [20 November 2014]. (原始内容存档于2014年12月5日)
Democratic Development: Governing Leaders in Seven European Countries. Springer Science & Business Media. 2007-08-17 [2021-08-30]. ISBN 978-3-531-90110-7