Kelner, B. G. (1950). How to teach in the elementary school. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Kelner, Bernard G. How to Teach in the Elementary School. McGraw-Hill, 1950.
Lua MLA (8ú heag.)Kelner, Bernard G. How to Teach in the Elementary School. McGraw-Hill, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.