Marine echo sounder performance specification 1972.
芝加哥风格引文Marine Echo Sounder Performance Specification 1972.
MLA引文Marine Echo Sounder Performance Specification 1972.
警告：这些引文格式不一定是100％准确.
APA引文
Marine echo sounder performance specification 1972.
芝加哥风格引文Marine Echo Sounder Performance Specification 1972.
MLA引文Marine Echo Sounder Performance Specification 1972.