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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBhutan. Ministry of Works & Human Settlement और Bhutan. Ministry of Works & Human Settlement. Policy and Planning Division. Annual Information Bulletin. Thimphu: Policy and Planning Division, Ministry of Works and Human Settlement, Royal Govt. of Bhutan, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBhutan. Ministry of Works & Human Settlement और Bhutan. Ministry of Works & Human Settlement. Policy and Planning Division. Annual Information Bulletin. Policy and Planning Division, Ministry of Works and Human Settlement, Royal Govt. of Bhutan, 2006.