Cita APA (7a ed.)

Copper Development Association (Great Britain). (1961). Copper for radiant heating. Copper Development Association.

Cita Chicago Style (17a ed.)

Copper Development Association (Great Britain). Copper for Radiant Heating. London: Copper Development Association, 1961.

Cita MLA (8a ed.)

Copper Development Association (Great Britain). Copper for Radiant Heating. Copper Development Association, 1961.

Precaución: Estas citas no son 100% exactas.