APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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