Biddle, e. b. D. S. A. a. B. J. Knowledge for policy improving education through research. The Falmer Press.
Lua i Stíl Chicago (17ú heag.)Biddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
Lua MLA (8ú heag.)Biddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.