APA (7 ম সংস্করণ) উদ্ধৃতি

Center for Applied Linguistics & Shopen, T. (1987). Languages and their speakers. University of Pennsylvania Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Center for Applied Linguistics এবং Timothy Shopen. Languages and Their Speakers. Philadelphia: University of Pennsylvania Press, 1987.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Center for Applied Linguistics এবং Timothy Shopen. Languages and Their Speakers. University of Pennsylvania Press, 1987.