APA সাইটেশন

Allen, F. C. . .. (1931). Railroad curves and earth works. McGraw Hill Book Company.

শিকাগো স্টাইলে সাইটেশন

Allen, Frank C. Railroad Curves and Earth Works. New York: McGraw Hill Book Company, 1931.

এমএলএ সাইটেশন

Allen, Frank C. Railroad Curves and Earth Works. McGraw Hill Book Company, 1931.