Allen, H. (1959). Attitudes of certain high school esniors, towards science and scientific careers. Bureau of Publications.
Lua i Stíl Chicago (17ú heag.)Allen, Hugh. Attitudes of Certain High School Esniors, Towards Science and Scientific Careers. New York: Bureau of Publications, 1959.
Lua MLA (9ú heag.)Allen, Hugh. Attitudes of Certain High School Esniors, Towards Science and Scientific Careers. Bureau of Publications, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.