APA (7 ম সংস্করণ) উদ্ধৃতি

Oller, J. W., & Richards, J. C. (1973). Focus on the learner: Pragmatic perspectives for the language teacher. Newbury House Publishers.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Oller, John W., এবং Jack C. Richards. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Rowley, Mass: Newbury House Publishers, 1973.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Oller, John W., এবং Jack C. Richards. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Newbury House Publishers, 1973.