Hulugalle, H. A. J. (1969). Guide to Ceylon. Lake House Investments.
Lua i Stíl Chicago (17ú heag.)Hulugalle, H. A. J. Guide to Ceylon. Colombo: Lake House Investments, 1969.
Lua MLA (8ú heag.)Hulugalle, H. A. J. Guide to Ceylon. Lake House Investments, 1969.
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