APA সাইটেশন

Barraclough, G. (1965). An introduction to contemporary history. New York: Basic Books.

শিকাগো স্টাইলে সাইটেশন

Barraclough, Geoffrey. An Introduction to Contemporary History. New York: Basic Books, 1965.

এমএলএ সাইটেশন

Barraclough, Geoffrey. An Introduction to Contemporary History. New York: Basic Books, 1965.