Dyfyniad APA

Lawrence Erlbaum Associates. (1993). Educational assessment. Lawrence Erlbaum Associates.

Dyfyniad Arddull Chicago

Lawrence Erlbaum Associates. Educational Assessment. Hillsdale, N.J.: Lawrence Erlbaum Associates, 1993.

Dyfyniad MLA

Lawrence Erlbaum Associates. Educational Assessment. Lawrence Erlbaum Associates, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.