Dyfyniad APA

Fowler, R. J. (1999). Electricity: Principles and applications (5th ed.). McGraw- Hill.

Dyfyniad Arddull Chicago

Fowler, Richard J. Electricity: Principles and Applications. 5th ed. New York: McGraw- Hill, 1999.

Dyfyniad MLA

Fowler, Richard J. Electricity: Principles and Applications. 5th ed. McGraw- Hill, 1999.

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