Dyfyniad APA

American Society of Civil Engineers. Electric Power and Communications Committee, ebrary, Inc, & Schiff, A. J. (1999). Guide to improved earthquake performance of electric power systems. American Society of Civil Engineers.

Dyfyniad Arddull Chicago

American Society of Civil Engineers. Electric Power and Communications Committee, Inc ebrary, and Anshel J. Schiff. Guide to Improved Earthquake Performance of Electric Power Systems. Reston, Va.: American Society of Civil Engineers, 1999.

Dyfyniad MLA

American Society of Civil Engineers. Electric Power and Communications Committee, et al. Guide to Improved Earthquake Performance of Electric Power Systems. American Society of Civil Engineers, 1999.

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