Cheng, S. (1984). Changing labour force of Singapore. Council for Asian Manpower Studies.
芝加哥风格引文Cheng, Siok-Hwa. Changing Labour Force of Singapore. Quezon City: Council for Asian Manpower Studies, 1984.
MLA引文Cheng, Siok-Hwa. Changing Labour Force of Singapore. Council for Asian Manpower Studies, 1984.
警告：这些引文格式不一定是100％准确.