Society of Automotive Engineers & American Society for Testing and Materials. (1977). Unified numbering system for metals and alloys: And cross index of chemically-similar specifications (2nd edition.). Society of Automotive Engineers Inc..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSociety of Automotive Engineers এবং American Society for Testing and Materials. Unified Numbering System for Metals and Alloys: And Cross Index of Chemically-similar Specifications. 2nd edition. Warrendale, Pennylvania: Society of Automotive Engineers Inc., 1977.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSociety of Automotive Engineers এবং American Society for Testing and Materials. Unified Numbering System for Metals and Alloys: And Cross Index of Chemically-similar Specifications. 2nd edition. Society of Automotive Engineers Inc., 1977.