Golding & Widdis. (1991). Electrical measurements & measuring instruments (5th.).
Chicago Style (17th ed.) ZitazioaGolding eta Widdis. Electrical Measurements & Measuring Instruments. 5th. Wheelers Student Edition, 1991.
MLA (9th ed.) ZitazioaGolding eta Widdis. Electrical Measurements & Measuring Instruments. 5th. 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.