Dyfyniad APA

Goldstein, H., & Levitt, E. (1968). A reading readiness workbook in spatial discrimination. Parkinson Division, Follett Educational Corp.

Dyfyniad Arddull Chicago

Goldstein, Herbert, and Edith Levitt. A Reading Readiness Workbook in Spatial Discrimination. [Urbana, Ill.]: Parkinson Division, Follett Educational Corp, 1968.

Dyfyniad MLA

Goldstein, Herbert, and Edith Levitt. A Reading Readiness Workbook in Spatial Discrimination. Parkinson Division, Follett Educational Corp, 1968.

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