Não informado. (1999). Minerals & Energy: Raw materials report. Scandinavian University Press.
Style de citation Chicago (17e éd.)Não informado. Minerals & Energy: Raw Materials Report. Stockholm: Scandinavian University Press, 1999.
Style de citation MLA (8e éd.)Não informado. Minerals & Energy: Raw Materials Report. Scandinavian University Press, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.