Dyfyniad APA

Wing, A., & West, G. (1973). Evans attainment tests 1 & 2. Evans Brothers Limited.

Dyfyniad Arddull Chicago

Wing, Anthony, and G. West. Evans Attainment Tests 1 & 2. Russell Square, London: Evans Brothers Limited, 1973.

Dyfyniad MLA

Wing, Anthony, and G. West. Evans Attainment Tests 1 & 2. Evans Brothers Limited, 1973.

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