Centre for Educational Research and Innovation. (1973). Case studies of educational innovation. Organisation for Economic Co-operation and Development.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCentre for Educational Research and Innovation. Case Studies of Educational Innovation. [Paris]: Organisation for Economic Co-operation and Development, 1973.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিCentre for Educational Research and Innovation. Case Studies of Educational Innovation. Organisation for Economic Co-operation and Development, 1973.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.