Ceylon. Dept. of Social Services. (1949). Administration report of the Director of Social Services for..
Chicago-referens (17:e uppl.)Ceylon. Dept. of Social Services. Administration Report of the Director of Social Services for.. Colombo, 1949.
MLA-referens (8:e uppl.)Ceylon. Dept. of Social Services. Administration Report of the Director of Social Services for.. 1949.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.