NCA Research Laboratories. (1968). Laboratoty manual for Food Canners and Proccessors. AVI.
Dyfyniad Arddull ChicagoNCA Research Laboratories. Laboratoty Manual for Food Canners and Proccessors. Connecticut: AVI, 1968.
Dyfyniad MLANCA Research Laboratories. Laboratoty Manual for Food Canners and Proccessors. AVI, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.