Cruickshank, D. R. (1990). Research that informs teachers and teacher educators. Phi Delta Kappa Educational Foundation.
Citazione stile Chigago Style (17a edizione)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Indiana: Phi Delta Kappa Educational Foundation, 1990.
Citatione MLA (9a ed.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Phi Delta Kappa Educational Foundation, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.