APA (7 ম সংস্করণ) উদ্ধৃতি

Barell, J. (1991). Teaching for thoughtfulness: Classroom strategies to enhance intellectual development. Longman.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Barell, John. Teaching for Thoughtfulness: Classroom Strategies to Enhance Intellectual Development. New York: Longman, 1991.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Barell, John. Teaching for Thoughtfulness: Classroom Strategies to Enhance Intellectual Development. Longman, 1991.