Cruickshank, D. R. (1990). Research that informs teachers and teacher educators. Phi Delta Kappa Educational Foundation.
Lua i Stíl Chicago (17ú heag.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Indiana: Phi Delta Kappa Educational Foundation, 1990.
Lua MLA (9ú heag.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Phi Delta Kappa Educational Foundation, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.