APA-referens (7:e uppl.)

CICRED. (1974). The Population of Sri Lanka. C.I.C.R.E.D..

Chicago-referens (17:e uppl.)

CICRED. The Population of Sri Lanka. [Paris]: C.I.C.R.E.D., 1974.

MLA-referens (8:e uppl.)

CICRED. The Population of Sri Lanka. C.I.C.R.E.D., 1974.