Cruickshank, D. R. (1990). Research that informs teachers and teacher educators. Phi Delta Kappa Educational Foundation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Indiana: Phi Delta Kappa Educational Foundation, 1990.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিCruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Phi Delta Kappa Educational Foundation, 1990.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.