Dunham, C. W. (1962). Foundations of structures (2.).
Cita Chicago Style (17a ed.)Dunham, Clarence W. Foundations of Structures. 2. New York, McGraw-Hill, 1962.
Cita MLA (9a ed.)Dunham, Clarence W. Foundations of Structures. 2. 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.