Dyfyniad APA

Shotwell, J. T. (1942). Lesson of the last world war. American Institute of Consulting Engineers.

Dyfyniad Arddull Chicago

Shotwell, James Thomson. Lesson of the Last World War. New York: American Institute of Consulting Engineers, 1942.

Dyfyniad MLA

Shotwell, James Thomson. Lesson of the Last World War. American Institute of Consulting Engineers, 1942.

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