Não informado. (1919). Cement, Mill and Quarry. National Trade Journals.
Style de citation Chicago (17e éd.)Não informado. Cement, Mill and Quarry. New York: National Trade Journals, 1919.
Style de citation MLA (8e éd.)Não informado. Cement, Mill and Quarry. National Trade Journals, 1919.
Attention : ces citations peuvent ne pas être correctes à 100%.