APA (7 वां संस्करण) प्रशस्ति पत्र

Singapore. Ministry of Manpower. (1999). Annual report. Govt. Print. Off..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Singapore. Ministry of Manpower. Annual Report. [Singapore: Govt. Print. Off., 1999.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Singapore. Ministry of Manpower. Annual Report. Govt. Print. Off., 1999.