'April 2010 GEO4B/PM Advanced Level Examination - Advanced Information Booklet' Global Geoparks Network European Geoparks Network Asia Pacific Geoparks Network
Архів оригіналу за 2014-03-19.  'April 2010 GEO4B/PM Advanced Level Examination — Advanced Information Booklet' Global Geoparks Network European Geoparks Network Asia Pacific Geoparks Network