Gilbert, N., & Specht, H. (1986). Dimensions of social welfare policy (2nd ed.). Prentice-hall.
Dyfyniad Arddull ChicagoGilbert, Neil, and Harry Specht. Dimensions of Social Welfare Policy. 2nd ed. Englewood Cliffs: Prentice-hall, 1986.
Dyfyniad MLAGilbert, Neil, and Harry Specht. Dimensions of Social Welfare Policy. 2nd ed. Prentice-hall, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.