National Research Council (U.S.). Committee on Food Habits. (1943). The problem of changing food habits. National Research Council, National Academy of Sciences.
Dyfyniad Arddull ChicagoNational Research Council (U.S.). Committee on Food Habits. The Problem of Changing Food Habits. Washington, D.C.: National Research Council, National Academy of Sciences, 1943.
Dyfyniad MLANational Research Council (U.S.). Committee on Food Habits. The Problem of Changing Food Habits. National Research Council, National Academy of Sciences, 1943.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.