Não informado. (1924). ASTM Bulletin. American Society for Testing and Materials.
Chicagoスタイル(17版)引用形式Não informado. ASTM Bulletin. Philadelphia, Pa: American Society for Testing and Materials, 1924.
MLA(8版)引用形式Não informado. ASTM Bulletin. American Society for Testing and Materials, 1924.
警告: この引用は必ずしも正確ではありません.