Dyfyniad APA

Levy, M., Salvadori, M. G., & Woest, K. (2002). Why buildings fall down: How structures fail (Updated and expanded [ed.].). Norton.

Dyfyniad Arddull Chicago

Levy, Matthys, Mario George Salvadori, and Kevin Woest. Why Buildings Fall Down: How Structures Fail. Updated and expanded [ed.]. New York: Norton, 2002.

Dyfyniad MLA

Levy, Matthys, et al. Why Buildings Fall Down: How Structures Fail. Updated and expanded [ed.]. Norton, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.