American Society for Testing and Materials. Meeting. (1968). Metal corrosion in the atmosphere: A symposium presented at the seventieth Annual Meeting of the American Society for Testing and Materials, Boston, Mass., June 1967. American Society for Testing and Materials.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Society for Testing and Materials. Meeting. Metal Corrosion in the Atmosphere: A Symposium Presented at the Seventieth Annual Meeting of the American Society for Testing and Materials, Boston, Mass., June 1967. Philadelphia, Pa.: American Society for Testing and Materials, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Society for Testing and Materials. Meeting. Metal Corrosion in the Atmosphere: A Symposium Presented at the Seventieth Annual Meeting of the American Society for Testing and Materials, Boston, Mass., June 1967. American Society for Testing and Materials, 1968.