APA সাইটেশন

Grant, D. (2004). Business focus: Pre-intermediate. Oxford: Oxford University Press.

শিকাগো স্টাইলে সাইটেশন

Grant, David. Business Focus: Pre-intermediate. Oxford: Oxford University Press, 2004.

এমএলএ সাইটেশন

Grant, David. Business Focus: Pre-intermediate. Oxford: Oxford University Press, 2004.