Dyfyniad APA

Paine, F. A., & Heather, Y. (1983). Handbook of food packaging. Leonard Hill.

Dyfyniad Arddull Chicago

Paine, Frank A., and Y. Heather. Handbook of Food Packaging. Glasgow: Leonard Hill, 1983.

Dyfyniad MLA

Paine, Frank A., and Y. Heather. Handbook of Food Packaging. Leonard Hill, 1983.

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