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Dyfyniad Arddull ChicagoUniversity of Oregon. Center of Leisure Studies, Larry L. Neal, and Christopher R. Edginton. EXETRA Perspectives: Concepts in Therapeutic Recreation. Eugene, Or.: Center of Leisure Studies, University of Oregon, 1982.
Dyfyniad MLAUniversity of Oregon. Center of Leisure Studies, et al. EXETRA Perspectives: Concepts in Therapeutic Recreation. Center of Leisure Studies, University of Oregon, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.