Shaeffer, R. (2002). Elementary structures for architects and builders. Prentice Hall.
Dyfyniad Arddull ChicagoShaeffer, R.E. Elementary Structures for Architects and Builders. Prentice Hall, 2002.
Dyfyniad MLAShaeffer, R.E. Elementary Structures for Architects and Builders. Prentice Hall, 2002.
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