ANNALS IN SOCIAL RESPONSIBILITY. [s.n.].
Dyfyniad Arddull ChicagoANNALS IN SOCIAL RESPONSIBILITY. [S.l.]: [s.n.].
Dyfyniad MLAANNALS IN SOCIAL RESPONSIBILITY. [s.n.].
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Dyfyniad APA