Dyfyniad APA

Food Safety Issues. (2002). Terrorist threats to food. s.e.

Dyfyniad Arddull Chicago

Food Safety Issues. Terrorist Threats to Food. s.l: s.e, 2002.

Dyfyniad MLA

Food Safety Issues. Terrorist Threats to Food. s.e, 2002.

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