United Nations Economic and Social Commission for Asia and the Pacific. (1990). Atlas of Mineral Resources of the ESCAP Region, Volume 7. Lao People's Democratic Republic: -- Explanatory Brochure --. UN ESCAP.
Чикаго маягийн жагсаалтUnited Nations Economic and Social Commission for Asia and the Pacific. Atlas of Mineral Resources of the ESCAP Region, Volume 7. Lao People's Democratic Republic: -- Explanatory Brochure --. Bangkok: UN ESCAP, 1990.
MLA ишлэлUnited Nations Economic and Social Commission for Asia and the Pacific. Atlas of Mineral Resources of the ESCAP Region, Volume 7. Lao People's Democratic Republic: -- Explanatory Brochure --. UN ESCAP, 1990.
Warning: These citations may not always be 100% accurate.