Dyfyniad APA

Gaylord, H. E., & Gaylord, N. C. (1979). Structural Engineering Handbook (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Gaylord, H Edwin, and N Charles Gaylord. Structural Engineering Handbook. 2nd ed. New York: McGraw-Hill, 1979.

Dyfyniad MLA

Gaylord, H Edwin, and N Charles Gaylord. Structural Engineering Handbook. 2nd ed. McGraw-Hill, 1979.

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