Davis, K. Human Society.
Dyfyniad Arddull ChicagoDavis, Kingsley. Human Society. New Delhi, Surjeet Publications.
Dyfyniad MLADavis, Kingsley. Human Society.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Davis, K. Human Society.
Dyfyniad Arddull ChicagoDavis, Kingsley. Human Society. New Delhi, Surjeet Publications.
Dyfyniad MLADavis, Kingsley. Human Society.