Não informado. (1973). California Journal of Teacher Education. California Council on the Education of Teachers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. California Journal of Teacher Education. Fullerton, Calif: California Council on the Education of Teachers, 1973.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. California Journal of Teacher Education. California Council on the Education of Teachers, 1973.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.