Cita APA (7th ed.)

Electrical Research Association (Great Britain). (1966). Main characteristics of E.R.A. discharge calibrators. Electrical Research Association.

Cita Chicago (17th ed.)

Electrical Research Association (Great Britain). Main Characteristics of E.R.A. Discharge Calibrators. Leatherhead, Surrey: Electrical Research Association, 1966.

Cita MLA (8th ed.)

Electrical Research Association (Great Britain). Main Characteristics of E.R.A. Discharge Calibrators. Electrical Research Association, 1966.