(2012). Welding symbols. Builder's Book, Inc..
芝加哥风格引文Welding Symbols. Canoga Park, CA: Builder's Book, Inc., 2012.
MLA引文Welding Symbols. Builder's Book, Inc., 2012.
警告:这些引文格式不一定是100%准确.
(2012). Welding symbols. Builder's Book, Inc..
芝加哥风格引文Welding Symbols. Canoga Park, CA: Builder's Book, Inc., 2012.
MLA引文Welding Symbols. Builder's Book, Inc., 2012.