Dyfyniad APA

Visualizing the facts. (1964). Great Britain. Department of Scientific and industrial Research. H.M.S.O.

Dyfyniad Arddull Chicago

Visualizing the facts. Great Britain. Department of Scientific and Industrial Research. London: H.M.S.O, 1964.

Dyfyniad MLA

Visualizing the facts. Great Britain. Department of Scientific and Industrial Research. H.M.S.O, 1964.

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