English: Map of Cley Marshes NWT reserve, based on NWT Cley Marshes. Reserve leaflet. Norfolk Wildlife Trust. Archived from the original on 2012-05-28. Retrieved on 2012-07-11., reserve sign and Harrap, Simon; Redman, Nigel (2003年) 《 Where to Watch Birds in Britain》、倫敦: Christopher Helm、第237頁 國際標準書號: 0713641371.