Sumption, M. R., & Engstrom, Y. (1966). School-community relations: A new approach. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Sumption, Merle Richard, agus Yvonne Engstrom. School-community Relations: A New Approach. New York: McGraw-Hill, 1966.
Lua MLA (9ú heag.)Sumption, Merle Richard, agus Yvonne Engstrom. School-community Relations: A New Approach. McGraw-Hill, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.