Παραπομπή σε μορφή APA (7η εκδ.)

Wakefield, J. A., & Goad, N. A. (1982). Psychological differences: Causes, consequences, and uses in education and guidance. EdITS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wakefield, James A., και Nancy A. Goad. Psychological Differences: Causes, Consequences, and Uses in Education and Guidance. San Diego, Calif: EdITS, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wakefield, James A., και Nancy A. Goad. Psychological Differences: Causes, Consequences, and Uses in Education and Guidance. EdITS, 1982.