Dana, F. C., & Willmarth, E. H. (1937). Engineering problems manual (3d ed.). New York: McGraw-Hill Book Company.
Citación estilo ChicagoDana, Forest Charles, και Elmer Humphrey Willmarth. Engineering Problems Manual. 3d ed. New York: McGraw-Hill Book Company, 1937.
Cita MLADana, Forest Charles, και Elmer Humphrey Willmarth. Engineering Problems Manual. 3d ed. New York: McGraw-Hill Book Company, 1937.
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