APA (7e ed.) Bronvermelding

British Standards Institution. (1977). Methods for analysis and testing of coal and coke. British Standards Institution.

Chicago (17e ed.) Bronvermelding

British Standards Institution. Methods for Analysis and Testing of Coal and Coke. London: British Standards Institution, 1977.

MLA (8e ed.) Bronvermelding

British Standards Institution. Methods for Analysis and Testing of Coal and Coke. British Standards Institution, 1977.

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