Littleton, C. T. (1962). Industrial piping (2nd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleLittleton, Charles T. Industrial Piping. 2nd ed. New York: McGraw-Hill Book Company, 1962.
Παραπομπή MLALittleton, Charles T. Industrial Piping. 2nd ed. New York: McGraw-Hill Book Company, 1962.
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