Institution, 8. B. S. Time measurement instruments: Symbolization of control positions.
芝加哥风格引文Institution, 8096 British Standards. Time Measurement Instruments: Symbolization of Control Positions.
MLA引文Institution, 8096 British Standards. Time Measurement Instruments: Symbolization of Control Positions.
警告：这些引文格式不一定是100％准确.