Não informado. (1903). Foundry Trade Journal. Fuel and Metallurgical Journals.
Chicago-Zitierstil (17. Ausg.)Não informado. Foundry Trade Journal. Redhill, Inglaterra: Fuel and Metallurgical Journals, 1903.
MLA-Zitierstil (8. Ausg.)Não informado. Foundry Trade Journal. Fuel and Metallurgical Journals, 1903.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.