John E Lothers. (1964). Design in structural steel. New Jersey: Prentice-Hall.
Trích dẫn kiểu ChicagoJohn E Lothers. Design in Structural Steel. New Jersey: Prentice-Hall, 1964.
MLA citiranjeJohn E Lothers. Design in Structural Steel. New Jersey: Prentice-Hall, 1964.
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