Singapore. Parliament. Library. (1977). List of candidates of opposition parties in the 1972 and 1976 general elections. Parliament of Singapore Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingapore. Parliament. Library. List of Candidates of Opposition Parties in the 1972 and 1976 General Elections. [Singapore]: Parliament of Singapore Library, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSingapore. Parliament. Library. List of Candidates of Opposition Parties in the 1972 and 1976 General Elections. Parliament of Singapore Library, 1977.
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