Hool, G. A. (1942). Steel and timber structures (2a. ed.). McGraw Hill Book Company..
Cita Chicago Style (17a ed.)Hool, George A. Steel and Timber Structures. 2a. ed. New York: McGraw Hill Book Company., 1942.
Cita MLA (9a ed.)Hool, George A. Steel and Timber Structures. 2a. ed. McGraw Hill Book Company., 1942.
Precaución: Estas citas no son 100% exactas.