APA সাইটেশন

(1969). The world almanac and book of facts. New York, N.Y.: Newspaper Enterprise Association.

শিকাগো স্টাইলে সাইটেশন

The World Almanac and Book of Facts. New York, N.Y.: Newspaper Enterprise Association, 1969.

এমএলএ সাইটেশন

The World Almanac and Book of Facts. New York, N.Y.: Newspaper Enterprise Association, 1969.