Não informado. (2020). Modern Castings and American Foundryman. American Foundrymen's Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Modern Castings and American Foundryman. Des Plaines, Ill: American Foundrymen's Society, 2020.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Modern Castings and American Foundryman. American Foundrymen's Society, 2020.
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