APA (7e ed.) Bronvermelding

Não informado. (1965). Copper and techniques. Japan Copper Development Association.

Chicago (17e ed.) Bronvermelding

Não informado. Copper and Techniques. Tokyo: Japan Copper Development Association, 1965.

MLA (8e ed.) Bronvermelding

Não informado. Copper and Techniques. Japan Copper Development Association, 1965.

Let op: Deze citaties zijn niet altijd 100% accuraat.