American Society for Testing and Materials. Standard specification for lead-coated and lead-alloy-coated soft copper wire for electrical purposes.
芝加哥风格引文American Society for Testing and Materials. Standard Specification for Lead-coated and Lead-alloy-coated Soft Copper Wire for Electrical Purposes.
MLA引文American Society for Testing and Materials. Standard Specification for Lead-coated and Lead-alloy-coated Soft Copper Wire for Electrical Purposes.
警告:这些引文格式不一定是100%准确.