Cooray, P. G. (1961). Geology of the country around Rangala: (an explanation of one-inch geological sheet 49, preliminary series). Govt. Press.
Lua i Stíl Chicago (17ú heag.)Cooray, P. G. Geology of the Country Around Rangala: (an Explanation of One-inch Geological Sheet 49, Preliminary Series). Colombo: Govt. Press, 1961.
Lua MLA (8ú heag.)Cooray, P. G. Geology of the Country Around Rangala: (an Explanation of One-inch Geological Sheet 49, Preliminary Series). Govt. Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.