Glasser, W. (1969). Schools without failure ([1st ed.].). Harper & Row.
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Dyfyniad Arddull Chicago
Glasser, William. Schools Without Failure. [1st ed.]. New York: Harper & Row, 1969.
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Dyfyniad MLA
Glasser, William. Schools Without Failure. [1st ed.]. Harper & Row, 1969.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.