Wijesinghe, W. M. S. (2014). Avuda ha upakarana: Loha thakshanaye di idikirim thakshanaye di moter yanthrika thakshanaye di viduli thakshanaye di electronic thakshanaye di bhavitha karana avuda ha upakarana. Wasana poth prakashakayo, Dankotuwa.
Chicago Style (17th ed.) CitationWijesinghe, W. M. Sampath. Avuda Ha Upakarana: Loha Thakshanaye Di Idikirim Thakshanaye Di Moter Yanthrika Thakshanaye Di Viduli Thakshanaye Di Electronic Thakshanaye Di Bhavitha Karana Avuda Ha Upakarana. Wasana poth prakashakayo, Dankotuwa, 2014.
MLA (9th ed.) CitationWijesinghe, W. M. Sampath. Avuda Ha Upakarana: Loha Thakshanaye Di Idikirim Thakshanaye Di Moter Yanthrika Thakshanaye Di Viduli Thakshanaye Di Electronic Thakshanaye Di Bhavitha Karana Avuda Ha Upakarana. Wasana poth prakashakayo, Dankotuwa, 2014.