Davis, F. G., & Norris, P. S. 1. . . j. a. (1949). Guidance handbook for teachers. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Davis, Frank Garfield, agus Pearle S. 1900- joint auth Norris. Guidance Handbook for Teachers. New York: McGraw-Hill, 1949.
Lua MLA (9ú heag.)Davis, Frank Garfield, agus Pearle S. 1900- joint auth Norris. Guidance Handbook for Teachers. McGraw-Hill, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.