Freestone, C. S. (1981). Using sociodrama as an educational strategy: Activities and readings (2nd ed.). School of Education, Macquarie University.
Dyfyniad Arddull ChicagoFreestone, Colin S. Using Sociodrama as an Educational Strategy: Activities and Readings. 2nd ed. North Ryde, N.S.W.: School of Education, Macquarie University, 1981.
Dyfyniad MLAFreestone, Colin S. Using Sociodrama as an Educational Strategy: Activities and Readings. 2nd ed. School of Education, Macquarie University, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.