Dyfyniad APA

SHUMWAY, R. J. (1980). Research in mathematic education. The National Council.

Dyfyniad Arddull Chicago

SHUMWAY, Richard J. Research in Mathematic Education. Virginia: The National Council, 1980.

Dyfyniad MLA

SHUMWAY, Richard J. Research in Mathematic Education. The National Council, 1980.

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