Postman, L. (1963). Psychology in the making: Histories of selected research problems. Alfred A. Knopf.
Lua i Stíl Chicago (17ú heag.)Postman, Leo. Psychology in the Making: Histories of Selected Research Problems. New York: Alfred A. Knopf, 1963.
Lua MLA (9ú heag.)Postman, Leo. Psychology in the Making: Histories of Selected Research Problems. Alfred A. Knopf, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.