Não informado. (1919). Cement, Mill and Quarry. National Trade Journals.
Citace podle Chicago (17th ed.)Não informado. Cement, Mill and Quarry. New York: National Trade Journals, 1919.
Citace podle MLA (8th ed.)Não informado. Cement, Mill and Quarry. National Trade Journals, 1919.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..