Cheng, S. (1984). Changing labour force of Singapore. Council for Asian Manpower Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCheng, Siok-Hwa. Changing Labour Force of Singapore. Quezon City: Council for Asian Manpower Studies, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCheng, Siok-Hwa. Changing Labour Force of Singapore. Council for Asian Manpower Studies, 1984.
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