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Dyfyniad Arddull ChicagoHill, William Fawcett, and Jerome Rabow. William Fawcett Hill's Learning Through Discussion: Jerome Rabow ... [et Al.]. 3rd ed. Thousand Oaks, Calif: Sage, 1994.
Dyfyniad MLAHill, William Fawcett, and Jerome Rabow. William Fawcett Hill's Learning Through Discussion: Jerome Rabow ... [et Al.]. 3rd ed. Sage, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.