American Society for Metals, Westbrook, J. H., & Conrad, H. (1973). The science of hardness testing and its research applications: Based on papers presented at a symposium of the American Society for Metals, October 18 to 20, 1971. American Society for Metals.
Chicago Style (17th ed.) CitationAmerican Society for Metals, J. H. Westbrook, and Hans Conrad. The Science of Hardness Testing and Its Research Applications: Based on Papers Presented at a Symposium of the American Society for Metals, October 18 to 20, 1971. Metals Park, Ohio: American Society for Metals, 1973.
MLA引文American Society for Metals, et al. The Science of Hardness Testing and Its Research Applications: Based on Papers Presented at a Symposium of the American Society for Metals, October 18 to 20, 1971. American Society for Metals, 1973.