Wilson, H. E. (1978). Social engineering in Singapore: Educational policies and social change, 1819-1972. Singapore University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilson, Harold E. Social Engineering in Singapore: Educational Policies and Social Change, 1819-1972. Singapore: Singapore University Press, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilson, Harold E. Social Engineering in Singapore: Educational Policies and Social Change, 1819-1972. Singapore University Press, 1978.
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