Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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