(2001). Codex alimentarius: Organically produced foods. Rome, Italy: FAO.
Dyfyniad Arddull ChicagoCodex Alimentarius: Organically Produced Foods. Rome, Italy: FAO, 2001.
Dyfyniad MLACodex Alimentarius: Organically Produced Foods. Rome, Italy: FAO, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.