Dyfyniad APA

Robertson, G. L. (1992). Food Packaging: Principles and Practice. Marcel Dekker.

Dyfyniad Arddull Chicago

Robertson, Gordon L. Food Packaging: Principles and Practice. New York: Marcel Dekker, 1992.

Dyfyniad MLA

Robertson, Gordon L. Food Packaging: Principles and Practice. Marcel Dekker, 1992.

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