APA (7th ed.) Citation

Não informado. (1974). Coal and Energy Quarterly. National Coal Board.

Chicago Style (17th ed.) Citation

Não informado. Coal and Energy Quarterly. London: National Coal Board, 1974.

MLA (8th ed.) Citation

Não informado. Coal and Energy Quarterly. National Coal Board, 1974.

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