Gordon, N. J. (1981). Psychology and education: The state of the union. McCutchan.
Lua i Stíl Chicago (17ú heag.)Gordon, Neal J. Psychology and Education: The State of the Union. Berkeley: McCutchan, 1981.
Lua MLA (9ú heag.)Gordon, Neal J. Psychology and Education: The State of the Union. McCutchan, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.