"William Bay NP - Nature and Landforms". Western Australia Travellers Guide. 2013. Archived from the original on February 22, 2013. Retrieved 5 December 2018.
Peter Keelan (2015). "Part 1 : William Bay"(PDF). Peter Keelan. Archived from the original(PDF) on 5 December 2018. Retrieved 5 December 2018.