Biddle, e. b. D. S. A. a. B. J. Knowledge for policy improving education through research. The Falmer Press.
Chicago-referens (17:e uppl.)Biddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
MLA-referens (8:e uppl.)Biddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.