APA (7 ম সংস্করণ) উদ্ধৃতি

Bell, A. (1978). A calculator experiment in a primary school. Shell Centre for Mathematical Education.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Bell, Alan. A Calculator Experiment in a Primary School. Nottingham: Shell Centre for Mathematical Education, 1978.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Bell, Alan. A Calculator Experiment in a Primary School. Shell Centre for Mathematical Education, 1978.