Bermard, H. W. (1961). Mental hygene for classroom teachers (2nd ed.). McGraw- Hill.
Lua i Stíl Chicago (17ú heag.)Bermard, Harold W. Mental Hygene for Classroom Teachers. 2nd ed. New York: McGraw- Hill, 1961.
Lua MLA (9ú heag.)Bermard, Harold W. Mental Hygene for Classroom Teachers. 2nd ed. McGraw- Hill, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.