Dyfyniad APA

National Research Council. Food Protection Committee. (1971). Food colors. National Academy of Sciences.

Dyfyniad Arddull Chicago

National Research Council. Food Protection Committee. Food Colors. Washington: National Academy of Sciences, 1971.

Dyfyniad MLA

National Research Council. Food Protection Committee. Food Colors. National Academy of Sciences, 1971.

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