APA
(1980). Report on the National Workshop on Sanitation. Colombo: The Ministry of Health and the Ministry of Local Government, Housing and Construction.
Chicago
1980. Report on the National Workshop on Sanitation. Colombo: The Ministry of Health and the Ministry of Local Government, Housing and Construction.
Harvard
(1980). Report on the National Workshop on Sanitation. Colombo: The Ministry of Health and the Ministry of Local Government, Housing and Construction.
MLA
Report on the National Workshop on Sanitation. Colombo: The Ministry of Health and the Ministry of Local Government, Housing and Construction. 1980.