Dyfyniad APA
Crawley, S. W., Dillon, R. M., & Carter, W. O. (1977). Steel buildings: Analysis and design (2d ed.). Wiley.
Dyfyniad Arddull Chicago
Crawley, Stanley W., Robert M. Dillon, and Winfred O. Carter. Steel Buildings: Analysis and Design. 2d ed. New York: Wiley, 1977.
Dyfyniad MLA
Crawley, Stanley W., et al. Steel Buildings: Analysis and Design. 2d ed. Wiley, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.