S.KUMAR. REFRIGERATION AND AIR-CONDITIONING SERVICING. NEW HEIGHTS.
芝加哥风格引文S.KUMAR. REFRIGERATION AND AIR-CONDITIONING SERVICING. NEW DELHI: NEW HEIGHTS.
MLA引文S.KUMAR. REFRIGERATION AND AIR-CONDITIONING SERVICING. NEW HEIGHTS.
警告：这些引文格式不一定是100％准确.
APA引文