APA (7 ম সংস্করণ) উদ্ধৃতি

Ceylon. Dept. of Social Services. (1949). Administration report of the Director of Social Services for..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ceylon. Dept. of Social Services. Administration Report of the Director of Social Services for.. Colombo, 1949.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Ceylon. Dept. of Social Services. Administration Report of the Director of Social Services for.. 1949.