Robertz, P. (1969). Sharing with adolescents. Gaba Publications.
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Dyfyniad Arddull Chicago
Robertz, Peter. Sharing with Adolescents. [Kampala, Uganda: Gaba Publications, 1969.
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Dyfyniad MLA
Robertz, Peter. Sharing with Adolescents. Gaba Publications, 1969.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.