APA (7 ম সংস্করণ) উদ্ধৃতি

Biber, D., Conrad, S., & Leech, G. (2002). Longman student grammar of spoken and written english. Longman/Pearson.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Biber, Douglas, Susan Conrad, এবং Geoffrey Leech. Longman Student Grammar of Spoken and Written English. Harlow: Longman/Pearson, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Biber, Douglas, et al. Longman Student Grammar of Spoken and Written English. Longman/Pearson, 2002.