APA
MacLaughlin D., Estrada H., . (2009). Structural steel design. Australia: Cengage Learning.
Chicago
MacLaughlin David, Estrada Hector, . 2009. Structural steel design. Australia: Cengage Learning.
Harvard
MacLaughlin D., Estrada H., . (2009). Structural steel design. Australia: Cengage Learning.
MLA
MacLaughlin David, Estrada Hector, . Structural steel design. Australia: Cengage Learning. 2009.