Singapore. National Library Board. (2007). Annual report 06. NLB.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingapore. National Library Board. Annual Report 06. Singapore: NLB, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingapore. National Library Board. Annual Report 06. NLB, 2007.
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