Kandel, I. L. (1936). Examinations and their substitutes in the United States. Carnegie Foundation for the Advancement of Teaching.
Lua i Stíl Chicago (17ú heag.)Kandel, I. L. Examinations and Their Substitutes in the United States. New York: Carnegie Foundation for the Advancement of Teaching, 1936.
Lua MLA (8ú heag.)Kandel, I. L. Examinations and Their Substitutes in the United States. Carnegie Foundation for the Advancement of Teaching, 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.