Dyfyniad APA

Christie, A. B., & Christie, M. C. (1971). Food hygiene and food hazards for all who handle food. Faber and Faber.

Dyfyniad Arddull Chicago

Christie, Andrew Barnett, and Mary Clare Christie. Food Hygiene and Food Hazards for All Who Handle Food. London: Faber and Faber, 1971.

Dyfyniad MLA

Christie, Andrew Barnett, and Mary Clare Christie. Food Hygiene and Food Hazards for All Who Handle Food. Faber and Faber, 1971.

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