APA সাইটেশন

Hopkins, W. S. (1948). Labor in the American economy. New York: McGraw-Hill Book Company, Inc.

শিকাগো স্টাইলে সাইটেশন

Hopkins, William Stehen. Labor in the American Economy. New York: McGraw-Hill Book Company, Inc, 1948.

এমএলএ সাইটেশন

Hopkins, William Stehen. Labor in the American Economy. New York: McGraw-Hill Book Company, Inc, 1948.