American Society for Testing and Materials. Standard specification for commercial bronze strip for bullet jackets /h [electronic resource].
芝加哥风格引文American Society for Testing and Materials. Standard Specification for Commercial Bronze Strip for Bullet Jackets /h [electronic Resource].
MLA引文American Society for Testing and Materials. Standard Specification for Commercial Bronze Strip for Bullet Jackets /h [electronic Resource].
警告：这些引文格式不一定是100％准确.