Dyfyniad APA
SMITH, J. (1995). FRO WHOM THE BELL CURVES: OLD TEXTS, MENTAL RETARDATION, AND THE PERSISTENT ARGUMENT.
Dyfyniad Arddull Chicago
SMITH, J.D. FRO WHOM THE BELL CURVES: OLD TEXTS, MENTAL RETARDATION, AND THE PERSISTENT ARGUMENT. 1995.
Dyfyniad MLA
SMITH, J.D. FRO WHOM THE BELL CURVES: OLD TEXTS, MENTAL RETARDATION, AND THE PERSISTENT ARGUMENT. 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.