APA-viite (7. p.)

Ceylon. Statistical Dept. (1948). The Ceylon year book. The official statistical annual of the social, economic and general conditions of the island. [s.n.].

Chicago-viite (17. p.)

Ceylon. Statistical Dept. The Ceylon Year Book. The Official Statistical Annual of the Social, Economic and General Conditions of the Island. [Colombo]: [s.n.], 1948.

MLA-viite (9. p.)

Ceylon. Statistical Dept. The Ceylon Year Book. The Official Statistical Annual of the Social, Economic and General Conditions of the Island. [s.n.], 1948.