Não informado. (1959). Coke research report. British Coke Research Association.
Style de citation Chicago (17e éd.)Não informado. Coke Research Report. Chesterfield, Inglaterra: British Coke Research Association, 1959.
Style de citation MLA (8e éd.)Não informado. Coke Research Report. British Coke Research Association, 1959.
Attention : ces citations peuvent ne pas être correctes à 100%.