Bhutan. Ministry of Works & Human Settlement & Bhutan. Ministry of Works & Human Settlement. Policy and Planning Division. (2006). Annual information bulletin. Policy and Planning Division, Ministry of Works and Human Settlement, Royal Govt. of Bhutan.
Style de citation Chicago (17e éd.)Bhutan. Ministry of Works & Human Settlement et 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.
Style de citation MLA (8e éd.)Bhutan. Ministry of Works & Human Settlement et 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.