Wijesinghe, W. M. S. (2011). Thakshanika bahuvarana prashnoththara sangrahaya idikirim thakshanaya, Motor yanthrika thakshanaya , Viduli saha electronika thakshanaya ( a.po.sa. (sa. pela) (u.pela) , karmika vidyalavala thakshana pathamala hadarana sisun sandaha).
Chicago Style (17th ed.) CitationWijesinghe, W. M. Sampath. Thakshanika Bahuvarana Prashnoththara Sangrahaya Idikirim Thakshanaya, Motor Yanthrika Thakshanaya , Viduli Saha Electronika Thakshanaya ( A.po.sa. (sa. Pela) (u.pela) , Karmika Vidyalavala Thakshana Pathamala Hadarana Sisun Sandaha). 2011.
MLA (9th ed.) CitationWijesinghe, W. M. Sampath. Thakshanika Bahuvarana Prashnoththara Sangrahaya Idikirim Thakshanaya, Motor Yanthrika Thakshanaya , Viduli Saha Electronika Thakshanaya ( A.po.sa. (sa. Pela) (u.pela) , Karmika Vidyalavala Thakshana Pathamala Hadarana Sisun Sandaha). 2011.