Stone, J., & Miller, R. M. (1985). Volunteer youth workers. Group books.
Dyfyniad Arddull ChicagoStone, J.David, and Rose Mary Miller. Volunteer Youth Workers. Loveland: Group books, 1985.
Dyfyniad MLAStone, J.David, and Rose Mary Miller. Volunteer Youth Workers. Group books, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.