Dyfyniad APA

Great Britain. Office of Population Censuses and Surveys. (1984). Census 1981.

Dyfyniad Arddull Chicago

Great Britain. Office of Population Censuses and Surveys. Census 1981. London, 1984.

Dyfyniad MLA

Great Britain. Office of Population Censuses and Surveys. Census 1981. 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.