APA (7th ed.) Citation

Não informado. (1970). Copper abstracts. International Copper Development Council.

Chicago Style (17th ed.) Citation

Não informado. Copper Abstracts. Geneva, Suíça: International Copper Development Council, 1970.

MLA (8th ed.) Citation

Não informado. Copper Abstracts. International Copper Development Council, 1970.

Warning: These citations may not always be 100% accurate.