(1963). Steel design file: Design data from bethlehem steel. New York: Bethlehem steel export Co.
Trích dẫn kiểu ChicagoSteel Design File: Design Data From Bethlehem Steel. New York: Bethlehem steel export Co, 1963.
MLA引文Steel Design File: Design Data From Bethlehem Steel. New York: Bethlehem steel export Co, 1963.
警告：這些引文格式不一定是100％准確.